CN208388810U - The protective device and medical device of bracket - Google Patents

Abstract

The utility model provides the protective device and medical device of a kind of bracket, and the protective device of the bracket mainly includes sheath, first handle and second handle, and the sheath is for accommodating the bracket；The first handle is close with respect to second handle and the first part of the sheath is driven to separate with second part, so that the bracket is removed from sheath.The protective device of bracket based on the utility model; only the process that the relatively described second handle of the first handle is close and the first part of the sheath is driven to separate with second part can be realized in one-handed performance; operating process structure is simple, greatly improves work efficiency.

Description

The protective device and medical device of bracket

Technical field

The utility model relates to the field of medical instrument technology, in particular to the protective device and medical device of a kind of bracket.

Background technique

Polymer biological can absorb (degradation) coronary artery bracket product and is suitable for ischemic heart caused by coronary artery primary affection Disease improves the intracavitary diameter of coronary artery, and polymer biological bioabsorbable stent product is mainly by polymer support, medication coat and ball Expansion type transportation system composition.

Usual bracket includes two kinds, and one kind is metallic support, and another kind is polymer support.Metallic support has biology can again Point of degradation and non-degradable, at present based on non-degradable.Polymer support is generally Biodegradable scaffold.It is controlled in many It treats in application, mainstream metallic support is permanently kept in patient once implantation, and there are long-term health hidden danger., and polymer Bracket only retains one section of finite time in vivo, until its expectation function is realized, for example, maintaining unobstructed blood vessel or drug delivery.

After treatment is completed, Biodegradable scaffold can be degraded into human body environment and can be absorbed by the body, be metabolized Catabolite, the final bracket can disappear.Wherein, bracket holds state before being sent into lesion vessels for pressure, pressure holds state Under bracket be fixed on the surface of a sacculus, and then in use, pressure, which holds the bracket under state, is delivered to lesion vessels in company with sacculus, Later, pressurising is carried out to sacculus, so that it is expanded and is synchronized and promote stent-expansion, to is close to vascular wall.

Since metallic support has preferable shape stability, the minimum during keeping pressure to hold substantially after pressure holds technique is straight Diameter.Therefore, metallic support without having to worry about when product is packaged into etc. and to be ready to use in medical operating metallic support can occur at any time The risk that diameter becomes larger.And polymer support is influenced by the rebound characteristics of polymer material, and after pressure holds head removal, radial direction Structure has an apparent radial rebound, and pressure hold after technique its radial dimension can extension at any time further increase, cause original There is traditional single ply protective Analysis of Nested Design to be unable to satisfy the demand that polymer support maintains diameter dimension, therefore exists Polymer-supported Frame is fixed on transportation system sacculus and before support system is transported to intracorporal target site, remains to maintain the straight of polymer support The challenge of size of the diameter having a size of diameter needed for transportation system.

Bracket in the prior art is complicated for operation as shown in US2012109281, it is difficult to adapt to surgical environments.

Polymer support when being ready to use in medical operating is packaged into etc. for product in the prior art to be occurred straight at any time The problem of diameter becomes larger, those skilled in the art always search for the method solved.

Utility model content

The purpose of this utility model is to provide the protective device and its medical device of a kind of bracket easy to operate, to Realize radial constraint and the protection of bracket.

In order to solve the above technical problems, the utility model provides a kind of protective device of bracket, the protection dress of the bracket Setting includes: sheath, first handle and second handle, and the sheath is for accommodating the bracket；The first handle is relatively described Second handle is close and the first part of the sheath is driven to separate with second part, so that the bracket is moved from the sheath It removes.

Optionally, in the protective device of the bracket, the first part of the sheath forms described first after extending Handle, the second part of the sheath form the second handle after extending.

Optionally, in the protective device of the bracket, the first handle is connect with second handle by connector.

Optionally, in the protective device of the bracket, the connector is a spring or elastic slice or circular shaft.

It optionally, further include the first buckle and the second buckle, first buckle in the protective device of the bracket It being connect with the first handle, second buckle is connect with the second handle, and first buckle is docked with the second buckle, To limit the relative position of the first handle Yu the second handle.

Optionally, in the protective device of the bracket, it is arranged on the first handle and second handle several anti-skidding Part.

Optionally, in the protective device of the bracket, the first part far from the first-hand pommel and the Two parts are connected as an entirety far from second-hand's pommel.

Optionally, in the protective device of the bracket, the first handle has the opening axially extended, described Second handle passes through the opening, is oppositely arranged with the first handle.

Optionally, in the protective device of the bracket, when the connector is an elastic slice, the both ends point of the elastic slice Not close to the central region of the first handle and second handle.

Optionally, in the protective device of the bracket, the first part and/or the second part include frame And elastomer-filled object, the elastomer-filled object is filled to form the accommodating chamber of the bracket in the frame.

Optionally, in the protective device of the bracket, the protective device of the bracket further includes a protective layer, described Protective layer is located at the outer wall of the bracket.

Correspondingly, the utility model also provides a kind of medical device, the utility model medical device includes: that pressure is held on Bracket on foley's tube, the protective device of coil pipe and bracket as described above, the protective device of the bracket and the coil pipe Connection.

Optionally, in the medical device, the coil pipe includes engaging groove, the engaging groove be contained in the sheath it In, the accommodating chamber of the bracket is collectively formed in the first part of the engaging groove and the sheath；The first part of the sheath After separating with second part, the protective device of the bracket is removed from the coil pipe.

Optionally, in the medical device, the protective device of the bracket includes fastener, the fastener and coil pipe Outer wall is mutually fixed or the fastener is sticked in the coil pipe inner wall by elastic deformation.

Optionally, in the medical device, the protective device of the bracket further includes a protective layer, the protective layer position In the outer wall of the bracket.

In the protective device and medical device of bracket provided by the utility model, the protective device of the bracket is main Including sheath, first handle and second handle, the sheath is for accommodating the bracket；The first handle is with respect to second handle It is close and the first part of the sheath is driven to separate with second part, so that the bracket is removed from sheath.Based on this reality With the protective device of novel bracket, only the relatively described second handle of the first handle is can be realized close to simultaneously band in one-handed performance Move the first part of the sheath and process that second part separates, operating process structure is simple, greatly improves work efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the protective device of bracket in the utility model embodiment one；

Fig. 2 is the side view of the protective device of bracket in Fig. 1；

Fig. 3 is the first structural schematic diagram of the protective device of bracket in the utility model embodiment two；

Fig. 4 is the structural schematic diagram of coil pipe；

Fig. 5 is the protective device of bracket and the structural schematic diagram after coil pipe assembling in Fig. 3；

Fig. 6 is second of structural schematic diagram of the protective device of bracket in the utility model embodiment two；

Fig. 7 is the side view of the protective device of bracket in Fig. 6；

Fig. 8 is the third structural schematic diagram of the protective device of bracket in the utility model embodiment two；

Fig. 9 is the side view of the protective device of bracket in Fig. 8；

Figure 10 is the side view of the 4th kind of structure of the protective device of bracket in the utility model embodiment two；

Figure 11 is the diameter of the accommodating chamber of tie bracket rebound after carrying out one-handed performance to the protective device of bracket in Figure 10 Structural schematic diagram when becoming larger；

Figure 12 be bracket in Figure 10 protective device have fastener when side view；

Figure 13 is the structural representation after the protective device assembling of the bracket in bracket, foley's tube and embodiment one or two Figure.

Fig. 1 is into Fig. 2: the protective device of 1- bracket；10- sheath；100a- first part；100b- second part；101- Opening；102- notch；11- first handle；12- second handle；13- accommodating chamber.

In Fig. 3 to Fig. 9 and Figure 13: the protective device of 2- bracket；20- sheath；200a- first part；200b- second Point；201- notch；21- first handle；22- second handle；23- accommodating chamber；24- protective layer；25- connector；26- first blocks Button；27- second is buckled；4- coil pipe；40- engaging groove.

Figure 10 is into Figure 13: the protective device of 3- bracket；30- sheath；300a- frame；The elastomer-filled object of 300b-； 300c- fastener；301- notch；31- first handle；32- second handle；33- accommodating chamber；34- protective layer；5- bracket；6- ball Ductus bursae.

Specific embodiment

Below in conjunction with the drawings and specific embodiments to the utility model proposes bracket protective device and medical device make It is further described.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It needs to illustrate , attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating originally The purpose of utility model embodiment.Particularly, since each attached drawing wants content outstanding different, different ratios is often used Example.

" bracket " referred in present specification refers to the bracket that state is held in pressure, and subsequent referred to as bracket, this is practical While pressure of the protective device of novel bracket for protection holds the bracket of state, additionally it is possible to pressure be maintained to hold the straight of state bracket Size of the diameter having a size of diameter needed for transportation system.

The protective device of the bracket of the utility model includes: sheath, first handle and second handle, and the sheath is for holding Set the bracket；The relatively described second handle of the first handle is close and drives the first part of the sheath and second part Separation, so that the bracket is removed from the sheath.Preferably, the first part and/or the second part include frame Frame and elastomer-filled object fill the elastomer-filled object to form the accommodating chamber of the bracket in the frame.In order to compared with The protective device of the good bracket for understanding the utility model, specifically refers to the content of following embodiment.

<embodiment one>

Fig. 1 and Fig. 2 is please referred to, Fig. 1 is the structural schematic diagram of the protective device of bracket in the present embodiment, and Fig. 2 is to prop up in Fig. 1 The side view of the protective device of frame.As shown in Figures 1 and 2, the protective device 1 of the bracket includes: sheath 10, first handle 11 And second handle 12, the sheath 10 is for accommodating the bracket；The relatively described second handle 12 of the first handle 11 is close And the first part of the sheath 10 is driven to separate with second part, so that the bracket is removed from the sheath 10.Wherein, The first part of the sheath 10 forms the first handle 11 after extending, the second part of the sheath 10 forms institute after extending Second handle 12 is stated, separate second-hand's pommel far from the first-hand pommel and second part of the first part connects It connects and is integral, the first handle 11 has the opening 101 axially extended, and the second handle 12 passes through the opening 101, it is oppositely arranged with the first handle 11.In another embodiment, it can also be that the second handle 12 has along axial direction The opening of extension, the first handle 11 pass through the opening of the second handle 12, are oppositely arranged with the second handle 12.

In order to increase the frictional force in 12 use process of first handle 11 and second handle, it is convenient for operational stability, preferably , several Non-slip materials are set on the first handle 11 and second handle 12.

With continued reference to FIG. 1, specifically, the sheath 10 has the notch 102 axially extended, 102 edge of notch Two edges (the i.e. close first-hand pommel of first part and leaning on for second part of the circumferentially opposed distribution of the sheath 10 Nearly second-hand's pommel) it is connect respectively with the first handle 11 and the second handle 12, the first handle 11 and institute It states that second handle 12 is mutually interspersed to make up the notch 102, collectively forms and (surround) the constraint bracket with the sheath 10 and return The accommodating chamber 13 of bullet.

Utilize the accommodating chamber 13 for the constraint bracket rebound that sheath 10, first handle 11 and second handle 12 collectively form The radial rebound of bracket described in provided radial compression power limit, first handle 11 and second handle 12 mutually intert make up it is scarce Mouth 102, so that the radial rebound of bracket is effectively avoided to keep radial load needed for bracket circular cross section to provide support, To make bracket be fixed on transportation system sacculus and before support system is transported to intracorporal target site, remain to maintain bracket Diameter dimension is the size of diameter needed for transportation system (i.e. bracket is in diameter when pressure holds state).On the other hand, this implementation The configuration of the protective device 1 of the bracket of example mutually interts with the second handle 12 in the first handle 11 and makes up described lack While mouth 102 collectively forms accommodating chamber 13 for constraining the bracket rebound with sheath 10, also greatly reduce in protective device Respectively length direction extends occupied space, therefore, the protective device of this configuration along its for first handle 11 and second handle 12 (inside of i.e. external component) can be installed in external component.

Wherein, the sheath 10, first handle 11 and second handle 12 are cut by metal sheet forging and stamping, Huo Zhesuo It states sheath 10, first handle 11 and second handle 12 to be formed in a mold by high molecular material, the material of the sheet metal The preferably alloy of good biocompatibility, such as stainless steel, Nitinol and magnesium alloy etc.；High molecular material is preferably bio-compatible The preferable high molecular material of property, such as PTFE, Pebax, polyethylene, polycarbonate, polyamide and nylon.The sheath 10 is in hollow Tubulose, the bracket being placed in sheath are in pressure and hold state, and the internal diameter of the sheath 10 is equal to the bracket and holds state in pressure Outer diameter, the length of the sheath 10 is greater than or equal to the bracket and is in the length that pressure holds state, so that sheath 10 has There are enough size covering pressures to hold the outer surface of state bracket, so that radially inward restraining force is applied to the branch that pressure holds state On frame, sprung back with the radial direction of limit bracket.

In order to be better understood from the utility model the bracket protective device working principle, below with reference to Fig. 1 and The application method of the protective device 1 of bracket described in the present embodiment is described in detail in Fig. 2.

Firstly, the pressure that step S11, first handle 11 and second handle 12 are applied by the external world is executed, first handle 11 Opposite second handle 12 is close and drives the first part of the sheath to separate with second part (to be presented as the expansion of notch 102 , the diameter of the accommodating chamber 13 of tie bracket rebound becomes larger)；

Then, step S12 is executed, bracket is removed from the sheath 10.

Specifically, the thumb and index finger of operator's one hand press on first handle respectively by taking operator's one-handed performance as an example 11 and second handle 12 on, apply pressure, first handle 11 to first handle 11 and second handle 12 according to arrow direction in Fig. 1 With second handle 12 by the pressure applied, first handle 11 is close with respect to second handle 12 and drives the first of the sheath Divide and separated with second part, is presented as the notch 102 along two edges of the circumferentially opposed distribution of the sheath 10 first-hand It is expanded under the drive of handle 11 and second handle 12 towards with arrow opposite direction, so that notch 102 is expanded, so that described in constraint The diameter of the accommodating chamber 13 of bracket rebound becomes larger, and bracket and sheath 10 can be detached from accommodating chamber 13 in the case where contactless friction Constraint.

<embodiment two>

Embodiment two is different from the configuration of the protective device of the bracket of embodiment one.The protective device of the bracket of embodiment two Other than including sheath, first handle and second handle, further comprise connector, the first handle and second handle It is connected by connector, connector is metal connecting piece in the present embodiment.

Referring to FIG. 3, its first structural schematic diagram for the protective device of bracket in the present embodiment.As shown in figure 3, institute Sheath 20 is stated with a kerf 201, the sheath is divided into the first part 200a that can be separated from each other and the by the notch 201 Two part 200b.The sheath 20 is in hollow tubular, and the length of the sheath 20 is greater than or equal to the bracket and holds shape in pressure The length of state, so that the outer surface that there is the sheath 20 enough sizes covering pressure to hold state bracket, thus by radial Inside restraining force is applied to pressure and holds on the bracket of state, is sprung back with the radial direction of limit bracket, so that bracket be made to be fixed on conveying System sacculus and before support system is transported to intracorporal target site remains to maintain the diameter dimension of bracket to be transportation system institute Need the size of diameter.

With continued reference to FIG. 3, the connection for connecting first handle 21 and second handle 22 in the protective device 2 of the bracket Part 25 is preferably a spring, the pressure that spring is subject to when resisting from 22 relative motion of first handle 21 and second handle, with dimension Hold the combination of first part 200a and second part 200b, it is ensured that the stability for fettering the accommodating chamber 23 of the bracket rebound is kept away The bracket exempted from sheath 20 is radially sprung back.When the pressure that spring is resisted, which is greater than it, bears threshold value, the first part of front end 200a and second part 200b separation, the diameter for constraining the accommodating chamber 23 of the bracket rebound become larger.

The connector 25 includes but is not limited to spring, can also be various structures, such as can also be elastic slice or circle Axis can specifically refer to Fig. 6 to Fig. 9.Fig. 6 and Fig. 7 is please referred to, Fig. 6 is second of knot of the protective device of bracket in this example Structure schematic diagram；Fig. 7 is the side view of the protective device of bracket in Fig. 6.The protective device 2 of Fig. 6 and Fig. 7 and bracket shown in Fig. 3 Difference be the specific structure of connector 25.As shown in FIG. 6 and 7, the connector 25 is a circular shaft, such as pin shaft, institute First handle 21 is stated to connect to form the first whole, the second handle 22 and second part with the first part 200a 200b connects to form the second entirety, and the circular shaft is through the described first whole and described second whole overlapping part.In order to Guarantee the stability of protective device, the protective device 2 of the bracket of this configuration further includes the first buckle 26 and the second buckle 27, described First buckle 26 is connect with the first handle 21, and second buckle 27 is connect with the second handle 22, first card Button 26 27 is docked with the second buckle, to limit the relative position of the first handle 21 and the second handle 22, makes described the A part of 200a is in conjunction with the second part 200b.

Fig. 8 and Fig. 9 is please referred to, Fig. 8 is the third structural schematic diagram of the protective device of bracket in the present embodiment；Fig. 9 is The side view of the protective device of bracket in Fig. 8.The difference of the protective device 2 of Fig. 8 and Fig. 9 and Fig. 6, Fig. 7 and bracket shown in Fig. 3 It is the overall configuration of protective device and the specific structure of connector 25.As can be seen from figures 8 and 9, the connector 25 is one Elastic slice, central region of the both ends of the elastic slice respectively close to the first handle and second handle, bullet described in the present embodiment Piece is to have bending elastic slice jaggy, and the sheath 20 is fixed in the notch of the elastic slice, specifically, as shown in figure 9, described Two edges of notch are fixedly connected with the first part 200a and the second part 200b respectively, the first part 200a and the second part 200b axisymmetricly, two edges of the notch also respectively with the first handle 21 and described Second handle 22 is fixedly connected, the first handle 21 with the second handle 22 axisymmetricly so that elastic slice is first handle 21 and second handle 22 reaction force resisted is provided when doing relative motion, to force the notch of the elastic slice to become larger, in turn So that first part 200a and second part 200b separation, the diameter for constraining the accommodating chamber 23 of the bracket rebound becomes larger.It is preferred that , the elastic slice is C font elastic slice.

Figure 13 is please referred to, is shown for the structure after the protective device assembling of bracket in bracket, foley's tube and the present embodiment It is intended to.As shown in figure 13, in order to avoid bracket in sheath 20 during removing, 5 surface covering of bracket is worn, this is practical Novel protective device further includes a protective layer 24, and the protective layer 24 is located at the outer wall of the bracket 5, real using protective layer 24 While now to the protection of bracket 5, due to the presence of protective layer 24, allow sheath 20 that higher preload is applied to branch On frame 5.Preferably, the sheath 20 is protective metal shell or high polymer sheath；The first handle 21 is metal first handle, institute Stating second handle 22 is metal second handle；The protective layer 24 is a macromolecule membrane, and the macromolecule membrane is curled in branch On the outer wall of frame, bracket is isolated with sheath.

Referring to FIG. 10, Figure 10 is the 4th kind of structural schematic diagram of the protective device of bracket in the present embodiment.Figure 10 and Fig. 8 Shown in the difference of protective device of bracket be: 1) protective device of the bracket in Figure 10 is without being separately provided connector, with Sheath itself serves as the effect of connector；2) first part and the specific configuration of second part.As shown in Figure 10, the protection of bracket The sheath 30 of device 3 has a kerf 301, and the sheath is divided into one end of first part and the by the notch 301 One end of two parts can be separated from each other, and the other end connection of the other end and second part of the first part is integral, i.e., The notch 301 is by the outer surface of the sheath 30 along the accommodating chamber 33 for extending radially to the bracket of sheath 30；Wherein, The first part and the second part include frame 300a and elastomer-filled object 300b, fill institute in the frame 300a Elastomer-filled object 300b is stated to form the accommodating chamber of the bracket, the first handle 31 and the second handle 32 are located at institute State the opposite sides of frame 300a.As shown in figure 11, first handle 31 is resisted in sheath 30 and second handle 32 was under pressure Cheng Zhong, elastic deformation occurs for 30 stress of sheath, and then the diameter of accommodating chamber 33 is made to become larger, and removes from sheath 30 convenient for bracket.

As shown in figure 13, in order to avoid bracket in sheath 30 during removing, 5 surface covering of bracket is worn, this The protective device 3 of the bracket of embodiment further includes a protective layer 34, and the protective layer 34 is located at the outer wall of the bracket 5, is utilized While protective layer 34 realizes the protection to bracket 5, due to the presence of protective layer 34, allow sheath 30 will be higher pre- negative Lotus is applied on bracket 5.

Figure 12 is please referred to, in 3 structure basis of protective device of bracket as shown in Figure 10, the protective device of the bracket 3 further include fastener 300c, the fastener 300c as with extraneous component bonded block, the specific structure root of fastener 300c According to needing to be designed, herein without limitation.

<embodiment three>

Fig. 4, Fig. 5 and Figure 13 are please referred to, the present embodiment provides a kind of medical device, the medical device includes that pressure is held on ball Bracket 5 on ductus bursae 6, the protective device of coil pipe 4 and the bracket as described in embodiment one or two, the protection dress of the bracket It sets and is connect with the coil pipe 4.Medical device as shown in Figure 5 uses the protective device 2 of bracket as shown in Figure 3.

The content in conjunction with shown in Fig. 3 and Fig. 4, the coil pipe 4 include engaging groove 40, and the engaging groove 40 is contained in the sheath Among 20, the accommodating chamber 23 of the bracket is collectively formed with the first part 200a of the sheath 20 for the engaging groove 40；It is described After the first part 200a of sheath is separated with second part 200b, the protective device 2 of the bracket is removed from the coil pipe 4.

In addition, the protective device for the ease of bracket is fixed in conjunction with coil pipe, be not limited to engaging groove 40 described in Fig. 3 with The structure of the accommodating chamber of the bracket is collectively formed in the first part 200a of the sheath 20, can also be in first part or second Groove is set on part, using groove as the interface (cross sectional shape and engaging groove of the groove for being combined fixation with engaging groove 40 Cross sectional shape match, engaging groove is embedded in groove, so that coil pipe is combined with sheath), the first part and second The accommodating chamber of the bracket is collectively formed in part.

Figure 12 is please referred to, the protective device of the bracket further includes fastener 300c, outside the fastener 300c and coil pipe Wall is mutually fixed or the fastener 300c is sticked in the coil pipe inner wall by elastic deformation.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For being cured disclosed in embodiment three For treating device, as being the protective device for using bracket disclosed in embodiment one or two, so be described relatively simple, it is related Place illustrates referring to embodiment one or two parts.

For the method disclosed in the embodiment, as corresponding with structure disclosed in embodiment, so the comparison of description Simply, related place illustrates referring to structure division.

To sum up, in the protective device and medical device of bracket provided by the utility model, the protection of the bracket is filled Setting mainly includes sheath, first handle and second handle, and the sheath is for accommodating the bracket；The first handle is with respect to Two handles are close and the first part of the sheath is driven to separate with second part, so that the bracket is removed from sheath.Base In the protective device of the bracket of the utility model, only one-handed performance can be realized the relatively described second handle of the first handle and lean on Process that is close and driving the first part of the sheath to separate with second part, operating process structure is simple, substantially increases work Make efficiency.Further, the diameter for being increased accommodating chamber based on the relative motion of first handle and second handle, is taken from bracket When lower protective device bracket with both protective devices are fricton-tight contacts, effectively avoid the damage of bracket and surface covering.

Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want Seek the protection scope of book.

Claims (15)

1. a kind of protective device of bracket, which is characterized in that the protective device of the bracket includes: sheath, first handle and Two handles, the sheath is for accommodating the bracket；The relatively described second handle of the first handle is close and drives the shield The first part of set separates with second part, so that the bracket is removed from the sheath.

2. the protective device of bracket as described in claim 1, which is characterized in that the first part of the sheath is formed after extending The first handle, the second part of the sheath form the second handle after extending.

3. the protective device of bracket as claimed in claim 2, which is characterized in that the first handle and second handle pass through company Fitting connection.

4. the protective device of bracket as claimed in claim 3, which is characterized in that the connector is a spring or elastic slice or circle Axis.

5. the protective device of bracket as claimed in claim 4, which is characterized in that further include the first buckle and the second buckle, institute It states the first buckle to connect with the first handle, second buckle connect with the second handle, and described first buckles and the Two buckle docking, to limit the relative position of the first handle Yu the second handle.

6. the protective device of bracket as described in claim 1, which is characterized in that be arranged on the first handle and second handle Several Non-slip materials.

7. the protective device of bracket as claimed in claim 2, which is characterized in that the first part far from described first-hand It is whole that separate second-hand's pommel of pommel and second part is connected as one.

8. the protective device of bracket as claimed in claim 7, which is characterized in that the first handle, which has, to be axially extended Opening, the second handle pass through the opening, are oppositely arranged with the first handle.

9. the protective device of bracket as claimed in claim 4, which is characterized in that when the connector is an elastic slice, the bullet Central region of the both ends of piece respectively close to the first handle and second handle.

10. the protective device of bracket as described in claim 1, which is characterized in that the first part and/or second described Dividing includes frame and elastomer-filled object, fills the elastomer-filled object in the frame to form the receiving of the bracket Chamber.

11. the protective device of bracket as described in claim 1, which is characterized in that it further include a protective layer, the protective layer position In the outer wall of the bracket.

12. a kind of medical device, which is characterized in that including pressing the bracket being held on foley's tube, coil pipe and such as claim 1 To the protective device of any one of 11 brackets, the protective device of the bracket is connect with the coil pipe.

13. medical device as claimed in claim 12, which is characterized in that the coil pipe includes engaging groove, and the engaging groove holds It is contained among the sheath, the accommodating chamber of the bracket is collectively formed in the first part of the engaging groove and the sheath；It is described After the first part of sheath separates with second part, the protective device of the bracket is removed from the coil pipe.

14. medical device as claimed in claim 12, which is characterized in that the protective device of the bracket includes fastener, institute State that fastener is mutually fixed with coil pipe outer wall or the fastener is sticked in the coil pipe inner wall by elastic deformation.

15. medical device as claimed in claim 12, which is characterized in that the protective device of the bracket further includes a protection Layer, the protective layer are located at the outer wall of the bracket.