CN220966191U - Straw sleeve, straw sleeve box and storage device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a straw sleeve, a straw sleeve box and storage equipment, and aims to solve the problem that the use experience of a user is poor due to the fact that the conventional straw sleeve cannot be adapted to straw of various lengths. The straw sleeve comprises a sleeve and a sleeve cap, wherein at least two first locking structures are arranged on the sleeve cap at intervals along the length direction of the sleeve cap, a second locking structure matched with the first locking structure is arranged on the sleeve, and the second locking structure can be selectively matched with one of the first locking structures to fix the sleeve cap on the sleeve. The utility model can enable the second locking structure to be selectively matched with the first locking structure at different positions, can change the fixed position of the sleeve on the sleeve cap, further change the length of the straw sleeve, can enable the straw sleeve to be suitable for straw of different lengths, improves the application range of the straw sleeve, and greatly improves the use experience of users.

Description

Straw sleeve, straw sleeve box and storage device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a catheter sleeve, a catheter sleeve box and storage equipment.

Background

The frozen wheat tube is a storage tube for storing biological cells such as sperms, ova and embryos, when the biological cells are stored, the frozen wheat Guan Xian is placed into a wheat tube sleeve, and then the wheat tube sleeve is stored in a liquid nitrogen tank for storage.

The length of the existing straw tube sleeve is fixed, the sleeve cap is generally of a structure without a clamping groove, or even if the clamping groove exists, only a single clamping groove exists, and the straw tube sleeve cannot be used for adapting to straw tubes with different lengths, so that the application range of the straw tube sleeve is limited.

The existing straw tube sleeve has the problem that the straw tube sleeve is low in adaptation degree due to the fact that the straw tubes with different lengths cannot be adapted, and the use experience of a user is greatly affected.

Disclosure of utility model

The utility model aims to solve the technical problem that the use experience of a user is poor because the existing straw sleeve cannot be adapted to the use of straws with different lengths.

In a first aspect, the present utility model provides a catheter hub, which includes a cannula and a cap, wherein at least two first locking structures are arranged on the cap at intervals along the length direction of the cap, and a second locking structure adapted to the first locking structures is arranged on the cannula, and the second locking structure can be selectively matched with one of the first locking structures to fix the cap on the cannula.

In the preferable technical scheme of the straw sleeve, the first locking structure comprises a locking clamping groove arranged on the inner side wall of the sleeve cap, the second locking structure comprises a locking protrusion arranged on the outer side wall of the sleeve tube, and the locking protrusion can be clamped into the locking clamping groove and can be moved out of the locking clamping groove.

In the preferable technical scheme of the straw sleeve, the sleeve is provided with a reinforcing structure at a position corresponding to the locking clamping groove, and the locking protrusion is positioned on the reinforcing structure.

In the preferable technical scheme of the catheter sleeve, the number of the reinforcing structures is two, the two reinforcing structures are distributed at intervals along the circumferential direction of the sleeve, the number of the locking protrusions is also two, and the two locking protrusions are arranged in one-to-one correspondence with the reinforcing structures.

In the preferable technical scheme of the straw sleeve, the locking clamping grooves are arc grooves, the number of the arc grooves is multiple, and the arc grooves are distributed at intervals along the circumferential direction of the inner side wall of the sleeve cap; and/or the locking clamping groove is an annular groove, and the annular groove extends along the circumferential direction of the inner side wall of the sleeve cap.

In the preferable technical scheme of the catheter sleeve, the number of the second locking structures is a plurality of the second locking structures, and the plurality of the second locking structures are distributed at intervals along the length direction of the sleeve.

In the preferable technical scheme of the straw sleeve, the cross section of the sleeve cap is polygonal, a limiting part is further arranged on the sleeve, the limiting part is close to the opening end of the sleeve and is connected with the sleeve, the cross section shape of the limiting part is matched with the cross section shape of the sleeve cap, and the limiting part is clamped in the sleeve cap under the condition of good installation.

In a preferred embodiment of the above-mentioned catheter hub, the cannula and/or the cap is provided with a through hole, which allows the ingress of the freezing fluid into the catheter hub and the drainage of the freezing fluid from the catheter hub.

In a second aspect, the present utility model further provides a catheter sheath box, configured to store the catheter sheath described above, where the catheter sheath box includes a case body, a plurality of accommodating holes are formed in the case body, a first positioning structure is disposed in the accommodating holes, and a second positioning structure is disposed on the catheter sheath, and the first positioning structure and the second positioning structure cooperate to place the catheter sheath in the accommodating holes.

In the preferred technical scheme of the above-mentioned catheter sheath box, the quantity of second location structure is a set of, the quantity of first location structure is the multiunit, multiunit first location structure is followed the circumference interval distribution of holding hole, multiunit first location structure homoenergetic with second location structure cooperatees, in order to will the catheter sheath is placed in the holding hole.

In the preferred technical scheme of the above-mentioned catheter sheath box, the cross section of the box body is trapezoidal, and the plurality of accommodation holes are closely arranged along the horizontal direction on the box body.

In a third aspect, the present utility model further provides a storage device, configured to store the above-described catheter sheath box, where the storage device includes a cabin, and the cabin is provided with a plurality of accommodating grooves adapted to the catheter sheath box, and the catheter sheath box can be placed in the accommodating grooves.

Under the condition of adopting the technical scheme, the utility model can be selectively matched with the first locking structures at different positions through the second locking structures, so that the fixed position of the sleeve on the sleeve cap can be changed, the length of the straw sleeve can be changed, the straw sleeve can be adapted to straws with different lengths for use, the application range of the straw sleeve is improved, and the use experience of a user is greatly improved.

Further, compare with the structural style that sets up first locking structure and second locking structure into locking draw-in hole and locking card post, set up first locking structure and second locking structure into locking draw-in groove and locking bellied structural style, can increase the joint area between first locking structure and the second locking structure to make the block between first locking structure and the second locking structure more stable, thereby improved the installation stability between sleeve pipe and the cover cap, avoided the cover cap to drop from the sleeve pipe.

Further, compared with the form of directly arranging the locking protrusion on the sleeve, by arranging the locking protrusion on the reinforcing structure, on one hand, the structural strength of the corresponding locking position of the sleeve can be increased, so that the locking fastness between the sleeve and the sleeve cap is improved; on the other hand, the locking bulge is arranged on the reinforcing structure, and when the locking bulge enters the locking clamping groove, a gap is reserved between the sleeve and the cap, so that the sleeve and the cap are prevented from being worn due to direct contact of the sleeve and the cap, and the service life of the straw sleeve is prolonged.

Further, through setting up reinforced structure and locking bellied structure to two, can all block with the locking draw-in groove on the cover cap through the locking arch on two reinforced structures, and then make cover cap and sleeve pipe atress balanced when fixed to make the fixed between cover cap and the sleeve pipe more stable, simultaneously, also can avoid leading to unable fixed between sleeve pipe and the cover cap because of a locking protruding damage.

Further, compared with the mode that the second locking structures are arranged in one mode, the number of the second locking structures is arranged in a plurality of modes, and when the cap sleeve and the sleeve are locked, the second locking structures can be matched with the first locking structures, so that the connection stability between the cap sleeve and the sleeve is improved; simultaneously, can also avoid leading to the cover cap unable to fix on the sleeve pipe because of second locking structure wearing and tearing or damage time, further promote user's use experience.

Further, through setting the locking draw-in groove to ring channel or a plurality of arc wall's structural style, can improve the locking protruding on the sleeve pipe and overlap the locking draw-in groove on the cap and match probability to can improve the assembly efficiency between sleeve pipe and the cap, further promote the use experience of straw pipe cover.

Further, by arranging the limiting part, on one hand, when the cap is fixed on the sleeve, the cap can be prevented from rotating relative to the sleeve, so that the locking clamping groove and the locking protrusion are prevented from being separated from each other, and the connection stability between the cap and the sleeve is improved; on the other hand, through setting up spacing portion, can improve the structural strength of sheathed tube open end, extension sleeve pipe's life.

Further, through all set up the form of through-hole on cover cap and sleeve pipe, on the one hand, can be convenient for make the refrigerating fluid enter into in the straw cover to the freezing of straw of being convenient for, on the other hand can also empty the residual refrigerating fluid in the straw cover, and then can avoid the user to be frozen by the refrigerating fluid.

In addition, the straw box further provided on the basis of the technical scheme is higher in adaptation degree between the straw box and the straw box compared with the straw box before improvement, is more beneficial to adapting automatic equipment, is higher in freezing efficiency, and meanwhile, due to the arrangement of the first positioning structure and the second positioning structure, the straw box can be accurately placed in the accommodating hole, the placement efficiency of placing the straw box in the straw box is improved, shaking or skew of the straw box in the accommodating hole can be avoided, the placement stability of the straw box in the straw box is improved, and the use experience of a user is also better.

Further, compared with the mode that only the number of the first positioning structures and the number of the second positioning structures are set to be one, the number of the second positioning structures is one, the number of the first positioning structures is one, the second positioning structures can be matched with one of the plurality of groups of the first positioning structures to place the straw sleeve in the accommodating hole, so that the matching probability between the second positioning structures and the first positioning structures can be improved, and the placing efficiency of the straw sleeve is improved.

Further, the cross section of the box body is set to be trapezoid, the rectangular box body in the prior art is compared with the rectangular box body, the number of containing holes formed in the box body is more, space waste is avoided in the box body, the space utilization rate in the box body is improved, the number of the containing straw jackets in the straw jacket box can be improved, and the storage capacity of the straw jacket box is improved.

In addition, on the basis of the technical scheme, compared with the storage device before improvement, the storage device provided by the utility model can improve the space utilization rate on the cabin body, so that more containing grooves can be formed on the cabin body, the storage capacity of the cylindrical liquid nitrogen tank plate frame with the same unit volume is improved, and the storage capacity of the cabin body is further improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of the catheter sheath of the present utility model;

FIG. 2 is a schematic view of the structure of the cap of the present utility model;

FIG. 3 is a schematic view of the structure of the sleeve of the present utility model;

FIG. 4 is a schematic view of a second embodiment of the sleeve of the present utility model;

FIG. 5 is an enlarged partial schematic view at A in FIG. 4;

FIG. 6 is a schematic view of the structure of the catheter hub and a portion of the catheter hub of the present utility model;

FIG. 7 is a schematic view of the structure of the catheter hub of the present utility model, showing the structure of the bottom of the catheter hub;

fig. 8 is a schematic view of the structure of the storage device and a portion of the catheter hub, a portion of the catheter hub of the present utility model, shown after the cover and the door are hidden.

Reference numerals:

1. A straw sleeve; 11. a cap is sleeved; 111. a locking clamping groove; 112. a first through hole; 12. a sleeve; 1201. a first tube body; 1202. a second tube body; 121. a reinforcing structure; 1211. locking the bulge; 12111. a sloping slide surface; 122. a limit structure; 123. a second positioning structure; 124. a limit part; 125. a second through hole; 2. a catheter sheath box; 21. a case body; 211. a receiving hole; 2111. a first positioning structure; 212. a lightening hole; 213. a first clamping structure; 214. a second clamping structure; 31. a cabin body; 311. a receiving groove; 32. and (5) a lofting port.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can make adjustments as needed to suit a particular application.

First, it should be noted that, in the description of the present utility model, terms such as "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Based on the problem that the conventional straw tube set proposed in the background art cannot be adapted to straw tubes of various lengths, which results in poor user experience, the utility model provides a straw tube set, and particularly please refer to fig. 1 to 4, fig. 1 is a schematic structural diagram of the straw tube set of the utility model, fig. 2 is a schematic structural diagram of the cap set of the utility model, fig. 3 is a schematic structural diagram of the sleeve set of the utility model, and fig. 4 is a schematic structural diagram of the sleeve set of the utility model.

As shown in fig. 1 to 4, the catheter sheath 1 of the present utility model comprises a sleeve 12 and a cap 11, wherein at least two first locking structures are arranged on the cap 11 at intervals along the length direction of the cap 11, a second locking structure matched with the first locking structure is arranged on the sleeve 12, and the second locking structure can be selectively matched with one of the first locking structures to fix the cap 11 on the sleeve 12.

Through such setting, can be through the cooperation of the first locking structure on the second locking structure selectivity and the different positions to can change the fixed position of sleeve pipe 12 on cover cap 11, and then change the length of straw pipe box 1, can make straw pipe box 1 adaptation different length's straw use, improve straw pipe box 1's application scope, greatly promoted user's use experience.

It should be noted that, in practical applications, those skilled in the art may set the number of the first locking structures to two, or may set the number of the first locking structures to a plurality, etc., and such adjustments and changes to the specific number of the first locking structures do not deviate from the principles and the scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 4, the number of the first locking structures is plural, and the plural first locking structures are spaced apart along the length direction of the cap 11.

Through such setting, compare with the form that sets up first locking structure into two, set up first locking structure into a plurality ofly, can realize the multistage locking cooperation of sleeve pipe 12 and cover cap 11 for sleeve pipe 12 can fix on a plurality of different positions on cover cap 11, and then can adapt the straw of multiple different length and use, further improved the application scope of straw cover 1.

It should be noted that, in practical applications, those skilled in the art may set the first locking structure and the second locking structure to the locking slot 111 and the locking protrusion 1211, or may set the first locking structure and the second locking structure to the locking hole and the locking post, or may set the first locking structure and the second locking structure to any other possible structural forms, etc., and such adjustments and changes on the specific structural forms of the first locking structure and the second locking structure are included in the scope of the present utility model without departing from the principle and scope of the present utility model.

Preferably, as shown in fig. 2 to 4, the first locking structure of the present utility model is a locking catching groove 111, and the second locking structure is a locking protrusion 1211, and the locking protrusion 1211 can be caught in the locking catching groove 111 and can be removed from the locking catching groove 111.

Through such setting, compare with the structural style that sets up first locking structure and second locking structure into locking draw-in hole and locking card post, set up first locking structure and second locking structure into locking draw-in groove 111 and locking protruding 1211's structural style, can increase the joint area between first locking structure and the second locking structure, thereby make the block between first locking structure and the second locking structure more stable, thereby improved the installation stability between sleeve pipe 12 and the cover cap 11, avoid cover cap 11 to drop from sleeve pipe 12.

In one embodiment, the locking protrusion 1211 is provided with an inclined slide surface 12111, and the locking protrusion 1211 is capable of being slightly elastically deformed to allow the locking protrusion 1211 to be snapped into the locking groove 111 and removed from the locking groove 111.

In another embodiment, the locking protrusion 1211 is provided with an inclined sliding surface 12111, and the locking groove 111 can be slightly elastically deformed to allow the locking protrusion 1211 to be locked into the locking groove 111 and to be removed from the locking groove 111.

In another embodiment, the locking protrusion 1211 is provided with an inclined sliding surface 12111, and the locking groove 111 and the locking protrusion 1211 are each capable of being slightly elastically deformed to allow the locking protrusion 1211 to be locked into the locking groove 111 and to be removed from the locking groove 111.

It should be noted that, although the present utility model has been described in terms of the above three embodiments, the locking protrusion 1211 and the locking groove 111 are not limited thereto, and for example, the locking protrusion 1211 may be provided by an elastic member such as a spring so that the elastic protrusion can be smoothly caught in and removed from the groove, etc., and such adjustments and changes to the specific arrangement type of the locking groove 111 and the locking protrusion 1211 are not departing from the principle and scope of the present utility model, and are also included in the scope of the present utility model.

Referring next to fig. 5, fig. 5 is an enlarged partial schematic view at a in fig. 4.

Preferably, as shown in fig. 5, the locking protrusion 1211 is provided with an inclined sliding surface 12111, and the locking groove 111 is slightly elastically deformed so that the locking protrusion 1211 is caught in the locking groove 111 and is removed from the locking groove 111.

By such arrangement, the structure of the cap 11 and the sleeve 12 can be made simpler, thereby reducing the cost of the catheter sheath 1 and improving the simplicity of the catheter sheath 1.

The slightly elastic deformation of the locking groove 111 is achieved by the slightly elastic deformation of the material of the cap 11 itself.

It should be noted that, in practical applications, the locking protrusion 1211 may be directly disposed on the wall of the sleeve 12, or the reinforcing structure 121 may be disposed on the outer wall of the sleeve 12, where the reinforcing structure 121 extends along the length direction of the sleeve 12, the locking protrusion 1211 is disposed on the reinforcing structure 121, etc., and such modifications and changes to the specific disposition of the locking protrusion 1211 on the sleeve 12 do not depart from the principles and scope of the present utility model.

Preferably, as shown in fig. 3 and 4, the sleeve 12 of the present utility model is provided with a reinforcing structure 121 at a position corresponding to the locking catching groove 111, the reinforcing structure 121 extending in the length direction of the sleeve 12, and the locking protrusion 1211 being located on the reinforcing structure 121.

By such an arrangement, by arranging the locking protrusion 1211 on the reinforcing structure 121, on the one hand, the structural strength of the sleeve 12 at the position corresponding to the locking protrusion 1211 can be increased, thereby improving the locking fastness between the sleeve 12 and the cap 11, as compared with the form in which the locking protrusion 1211 is directly arranged on the sleeve 12; on the other hand, the locking protrusion 1211 is provided on the reinforcing structure 121, so that a gap is provided between the sleeve 12 and the cap 11 when the locking protrusion 1211 enters the locking groove 111, thereby avoiding the abrasion of the sleeve 12 and the cap 11 due to the direct contact between the sleeve 12 and the cap 11, and prolonging the service life of the straw tube 1.

It should be noted that, in practical applications, those skilled in the art may set the reinforcing structure 121 as a reinforcing rib, or may set the reinforcing structure 121 as a reinforcing block, etc., and such modifications and changes to the specific structure type of the reinforcing structure 121 are included in the protection scope of the present utility model without departing from the principle and scope of the present utility model.

Preferably, the reinforcing structure 121 is a stiffener.

It should be noted that, in practical applications, a person skilled in the art may set only one number of the reinforcing structures 121, and correspondingly, the number of the locking protrusions 1211 may also be set to one, or alternatively, the number of the locking protrusions 1211 may also be set to two, and accordingly, the number of the locking protrusions 1211 may also be set to two, and the two locking protrusions 1211 may be set to one corresponding to the reinforcing structures 121, or alternatively, the number of the reinforcing structures 121 may also be set to a plurality of the locking protrusions 1211 may also be set to one corresponding to the reinforcing structures 121, and such adjustment and change of the specific setting number of the reinforcing structures 121 may not deviate from the principle and scope of the present utility model, and are included in the scope of the present utility model.

Preferably, as shown in fig. 3 and 4, the number of the reinforcing structures 121 is two, the two reinforcing structures 121 are distributed at intervals along the circumferential direction of the sleeve 12, the number of the locking protrusions 1211 is also two, and the two locking protrusions 1211 are disposed in one-to-one correspondence with the reinforcing structures 121.

Through such a setting, can both block with the locking draw-in groove 111 on the cover cap 11 through the locking protrusion 1211 on two additional strengthening 121, and then make cover cap 11 and sleeve pipe 12 atress balanced when fixed to make the fixed between cover cap 11 and the sleeve pipe 12 more stable, simultaneously, also can avoid leading to unable fixed between sleeve pipe 12 and the cover cap 11 because of a locking protrusion 1211 damages.

It should be noted that, in practical applications, a person skilled in the art may set the number of the second locking structures to one, or may set the number of the second locking structures to two, where two second locking structures are spaced along the length direction of the sleeve 12, or may set the number of the second locking structures to a plurality of second locking structures, where a plurality of second locking structures are spaced along the length direction of the sleeve 12, etc., and such adjustments and changes on the specific number of the second locking structures do not deviate from the principle and scope of the present utility model, and are included in the scope of the present utility model.

Preferably, as shown in fig. 3 and 4, the number of second locking structures is plural, and the plural second locking structures are spaced apart along the length of the sleeve 12.

By such arrangement, the number of the second locking structures is set to be plural compared with the case where the second locking structures are set to be one, and when the cap 11 is locked with the sleeve 12, the plural second locking structures can be matched with the first locking structures, so that the connection stability between the cap 11 and the sleeve 12 is improved; meanwhile, the situation that the cap 11 cannot be fixed on the sleeve 12 due to abrasion or damage of the second locking structure can be avoided, and the use experience of a user is further improved.

Specifically, as shown in fig. 3 and 4, each of the second locking structures includes two locking protrusions 1211, and a plurality of second locking structures are disposed on the reinforcing structure 121 and are spaced apart along the length direction of the sleeve 12.

It should be noted that, in practical applications, those skilled in the art may set the locking slot 111 as an arc slot, or may set the locking slot 111 as an annular slot, etc., and such modifications and changes to the specific setting form of the locking slot 111 do not deviate from the principle and scope of the present utility model and are included in the protection scope of the present utility model.

In a specific embodiment, as shown in fig. 2, the first locking structure includes locking slots 111 disposed on an inner sidewall of the cap 11, where the locking slots 111 are arc-shaped slots, and the number of arc-shaped slots is plural, and the plural arc-shaped slots are distributed at intervals along a circumferential direction of the inner sidewall of the cap 11.

In another embodiment, the first locking structure comprises a locking detent 111 provided on the inner sidewall of the cap 11, wherein the locking detent 111 is an annular groove extending in the circumferential direction of the inner sidewall of the cap 11 (not shown).

By arranging the locking groove 111 in the form of the above embodiment, the probability of matching between the locking protrusion 1211 on the sleeve 12 and the locking groove 111 on the cap 11 can be improved, so that the assembly efficiency between the sleeve 12 and the cap 11 can be improved, and the use experience of the catheter sheath 1 can be further improved.

Although both of the above embodiments can improve the assembly efficiency between the sleeve 12 and the cap 11, the provision of the locking card slot 111 in the form of a plurality of arc-shaped slots can reduce the risk of affecting the structural strength of the cap 11 by opening the locking card slot 111, and further improve the structural strength of the cap 11, as compared with the provision of the locking card slot 111 in the form of an annular slot.

Preferably, as shown in fig. 1, 3 and 4, the sleeve 12 of the present utility model is further provided with a limiting structure 122, a first pipe body 1201 is formed between the opening end of the sleeve 12 and the limiting structure 122, and a second pipe body 1202 is formed between the closing end of the sleeve 12 and the limiting structure 122, wherein a locking protrusion 1211 is disposed on the first pipe body 1201.

Through setting up limit structure 122, can carry out spacingly to the lid length of cover cap 11 and sleeve pipe 12, restricted the coincidence length between sleeve pipe 12 and the cover cap 11 promptly, avoid locking draw-in groove 111 on the cover cap 11 to take place the dislocation with the locking arch 1211 on the body, improved the block stability between sleeve pipe 12 and the cover cap 11.

It should be noted that, in practical applications, those skilled in the art may set the limiting structure 122 as a limiting ring, or may set the limiting structure 122 as a limiting block, or may set the limiting structure 122 as any other possible form, etc., and such modifications and changes to the specific structural form of the limiting structure 122 are included in the protection scope of the present utility model without departing from the principle and scope of the present utility model.

Preferably, the limiting structure 122 is a limiting ring.

It should be noted that, in practical applications, those skilled in the art may set the stop collar to be integrally formed with the sleeve 12, or may set the stop collar to be adhered to the sleeve 12, etc., and such modifications and changes to the specific connection between the stop collar and the sleeve 12 are included in the protection scope of the present utility model without departing from the principle and scope of the present utility model.

Preferably, the stop collar is integrally formed with the sleeve 12, so that the integrity of the sleeve 12 can be improved and the stop collar is prevented from falling off.

It should be noted that, in practical applications, those skilled in the art may set the cross section of the cap 11 to be polygonal, or may set the cross section of the cap 11 to be circular, or may set the cross section of the cap 11 to be any other possible shape, etc., and such modifications and changes to the specific configuration of the cap 11 do not depart from the principle and scope of the present utility model, and are included in the scope of the present utility model.

Preferably, as shown in fig. 2, the cross section of the cap 11 of the present utility model is polygonal, and a bending angle is formed between two adjacent sides of the polygon, and a plurality of locking clamping grooves 111 are all arranged at the inner side of the bending angle.

By such arrangement, the locking protrusion 1211 on the sleeve 12 can be aligned with one of the locking grooves 111 on the cap 11 to fix the cap 11 on the sleeve 12, so that the matching probability between the locking protrusion 1211 on the sleeve 12 and the locking groove 111 on the cap 11 can be improved, the locking protrusion 1211 on the sleeve 12 can be matched with the locking groove 111 on the cap 11 conveniently, and the assembly efficiency between the sleeve 12 and the cap 11 can be further improved.

Preferably, as shown in fig. 1 to 4, the cross section of the cap 11 of the present utility model is polygonal, the sleeve 12 is further provided with a limiting portion 124, the limiting portion 124 is disposed near the open end of the sleeve 12 and connected with the sleeve 12, the cross section shape of the limiting portion 124 is adapted to the cross section shape of the cap 11, and in the installed condition, the limiting portion 124 is clamped in the cap 11.

By providing the stopper 124, on the one hand, when the cap 11 is fixed to the sleeve 12, the cap 11 can be prevented from rotating relative to the sleeve 12, thereby preventing the locking groove 111 and the locking protrusion 1211 from being separated from each other, and improving the connection stability between the cap 11 and the sleeve 12; on the other hand, by providing the stopper 124, the structural strength of the open end of the sleeve 12 can be improved, and the service life of the sleeve 12 can be prolonged.

It should be noted that, in practical applications, the cross section of the cap 11 is not limited to being polygonal, the limiting portion 124 is provided on the sleeve 12 to prevent the sleeve 12 and the cap 11 from rotating relatively, for example, a first limiting structure may be provided on the cap 11, a second limiting structure may be provided on the sleeve 12, and in the installed condition, the first limiting structure and the second limiting structure cooperate to prevent the cap 11 from rotating relative to the sleeve 12, and such flexible adjustment and modification are not deviated from the principle and scope of the present utility model. It is of course preferable that the cross section of the cap 11 is polygonal, the sleeve 12 is further provided with a limiting portion 124, the limiting portion 124 is disposed close to the opening of the sleeve 12 and is connected with the sleeve 12, the cross section of the limiting portion 124 is adapted to the cross section of the cap 11, and in the installed condition, the limiting portion 124 is clamped in the cap 11.

It should be further noted that, in practical applications, the limiting portion 124 may be configured as a limiting sleeve, or the limiting structure 122 may be configured as a limiting block, etc., and such adjustments and changes of the specific configuration of the limiting portion 124 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, the limiting portion 124 is provided as a limiting sleeve.

Specifically, the cross section of the cap 11 is regular hexagon, the cross section of the limit sleeve is also regular hexagon, and the limit sleeve is arranged at the end part of the first pipe body 1201 to form the cornice of the sleeve 12, so that the sleeve 12 and the cap 11 can be prevented from relative rotation, and the structural strength of the sleeve 12 can be improved.

The cross section of the cap 11 is not limited to the regular hexagon, and for example, the cross section of the cap 11 may be a regular pentagon, or the cross section of the cap 11 may be a regular octagon. It is of course preferable to set the cross section of the cap 11 to be a regular hexagon.

In order to allow the refrigerating fluid to enter the straw tube 1, it is necessary to provide a through hole in the straw tube 1 so that the refrigerating fluid enters the straw tube 1 through the through hole and the refrigerating fluid is allowed to be discharged from the straw tube 1 through the through hole.

In a specific embodiment, the cannula 12 is provided with through holes which allow the ingress of the freezing fluid into the cannula sleeve 1 and the egress of the freezing fluid from the cannula sleeve 1.

In another embodiment, the cap 11 is provided with a through hole which allows the ingress of the freezing fluid into the cannula sleeve 1 and the egress of the freezing fluid from the cannula sleeve 1.

In another embodiment, both the sleeve 12 and the cap 11 are provided with through holes which allow the ingress of the freezing fluid into the cannula sleeve 1 and the egress of the freezing fluid from the cannula sleeve 1.

It should be noted that, although the above three embodiments can allow the refrigerating fluid to enter the straw tube 1 and allow the refrigerating fluid to be discharged from the straw tube 1, since the straw tube 1 needs to be placed in the straw tube box 2 only and the residual refrigerating fluid in the straw tube 1 cannot be emptied in the form of the through hole provided only in the straw tube box 2, compared with the other two embodiments, the through holes provided in the cap 11 and the sleeve 12 can facilitate the refrigerating fluid to enter the straw tube 1, thereby facilitating the freezing of the straw tube, and can also empty the residual refrigerating fluid in the straw tube 1, thereby avoiding the user from being frosted by the refrigerating fluid.

It should be further noted that, in practical applications, those skilled in the art may place the through hole on the bottom wall of the sleeve 12, or may place the through hole on the side wall of the sleeve 12, etc., and such adjustments and changes to the specific placement of the through hole on the sleeve 12 are included in the scope and spirit of the present utility model.

Preferably, as shown in fig. 4, a second through hole 125 is provided in the bottom wall of the sleeve 12, the second through hole 125 being capable of allowing the refrigerating fluid to enter the straw sleeve 1, and the second through hole 125 being further capable of allowing the refrigerating fluid to be discharged from the straw sleeve 1.

It should be noted that, in practical applications, a person skilled in the art may set the number of the second through holes 125 to one, or may set the number of the second through holes 125 to two, or may set the number of the second through holes 125 to a plurality of, etc., and such adjustments and changes to the specific number of the second through holes 125 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 4, the number of the second through holes 125 is plural, and the plural second through holes 125 are spaced apart on the bottom wall of the sleeve 12.

It should be noted that, in practical applications, the plurality of second through holes 125 may be disposed at intervals along a horizontal direction on the bottom wall of the sleeve 12, or the plurality of second through holes 125 may be disposed at intervals along a circumferential direction on the bottom wall of the sleeve 12, etc., which are flexibly adjusted and changed without departing from the principle and scope of the present utility model, and are all included in the protection scope of the present utility model.

Preferably, as shown in fig. 4, a plurality of second through holes 125 are spaced apart in the circumferential direction thereof on the bottom wall of the sleeve 12.

It should be noted that, in practical applications, those skilled in the art may set the through hole on the top wall of the cap 11, or may set the through hole on the side wall of the cap 11, etc., and such adjustments and changes on the specific setting position of the through hole on the cap 11 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 1, a first through hole 112 is provided in the top wall of the cap 11, the first through hole 112 being capable of allowing the refrigerating fluid to enter the straw tube 1, the first through hole 112 being also capable of allowing the refrigerating fluid to be discharged from the straw tube 1.

It should be noted that, in practical applications, a person skilled in the art may set the number of the first through holes 112 to one, or may set the number of the first through holes 112 to two, or may set the number of the first through holes 112 to a plurality of, etc., and such adjustments and changes on the specific number of the first through holes 112 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 1, the number of the first through holes 112 is plural, and the plural first through holes 112 are spaced apart on the top wall of the cap 11.

It should be noted that, in practical applications, the plurality of first through holes 112 may be disposed at intervals along a horizontal direction on the bottom wall of the cap 11, or the plurality of first through holes 112 may be disposed at intervals along a circumferential direction on the bottom wall of the cap 11, etc., which are flexibly adjusted and changed without departing from the principle and scope of the present utility model, and are all included in the protection scope of the present utility model.

Preferably, as shown in fig. 1, a plurality of first through holes 112 are spaced apart in the circumferential direction thereof on the bottom wall of the cap 11.

In a second aspect, the utility model also provides a catheter hub 2 for storing any of the above described embodiments of a catheter hub.

With continued reference to fig. 1, 3 and 4, and with continued reference to fig. 6, fig. 6 is a schematic illustration of the structure of the catheter hub and portions of the catheter hub of the present utility model.

Specifically, as shown in fig. 1, 3, 4 and 6, the catheter sheath box 2 of the present utility model includes a box body 21, a plurality of receiving holes 211 are formed in the box body 21, a first positioning structure 2111 is disposed in the receiving holes 211, a second positioning structure 123 is disposed on the catheter sheath 1, and the first positioning structure 2111 and the second positioning structure 123 cooperate to place the catheter sheath 1 in the receiving holes 211.

By arranging the first positioning structure 2111 in the accommodating hole 211 and the second positioning structure 123 on the straw sleeve 1, on one hand, by matching the first positioning structure 2111 with the second positioning structure 123, the adaption degree of the straw sleeve 1 and the straw sleeve box 2 can be higher, the adaption to automatic equipment is more facilitated, and the freezing efficiency is higher; on the other hand, the first positioning structure 2111 and the second positioning structure 123 not only can accurately place the straw tube 1 in the accommodating hole 211 and improve the placement efficiency of placing the straw tube 1 in the straw tube box 2, but also can avoid shaking or skewing of the straw tube 1 in the accommodating hole 211 and improve the placement stability of the straw tube 1 in the straw tube box 2.

It should be noted that, in practical applications, those skilled in the art may set the first positioning structure 2111 as a positioning slot, set the second positioning structure 123 as a positioning rib, or set the first positioning structure 2111 as a positioning rib, set the second positioning structure 123 as a positioning slot, etc., and such modifications and changes of the specific setting types of the first positioning structure 2111 and the second positioning structure 123 are included in the scope and spirit of the present utility model without departing from the scope and spirit of the present utility model.

Preferably, the first positioning structure 2111 is a positioning groove, and the second positioning structure 123 is a positioning rib.

By such arrangement, on the one hand, by providing the first positioning structure 2111 as a positioning groove, the dead weight of the catheter sheath box 2 can be further reduced, as compared with the case where the first positioning structure 2111 is provided as a positioning rib and the second positioning structure 123 is provided as a positioning groove; on the other hand, by providing the second positioning structure 123 as a positioning rib, the structural strength of the sleeve 12 can be further enhanced.

It should be noted that, in practical applications, the person skilled in the art may set the second positioning structure 123 to include only one positioning rib, and accordingly, set the first positioning structure 2111 to include one positioning groove corresponding to the positioning rib, or set the second positioning structure 123 to include two positioning ribs, and accordingly, set the first positioning structure 2111 to include two positioning grooves corresponding to two positioning ribs, and further, set the second positioning structure 123 to include a plurality of positioning ribs, and accordingly, set the first positioning structure 2111 to include a plurality of positioning grooves corresponding to a plurality of positioning ribs, and so on, and such adjustment and change of the specific setting number of the positioning ribs do not deviate from the principle and scope of the present utility model, and are included in the scope of protection of the present utility model.

Preferably, as shown in fig. 1, 3, 4 and 6, the second positioning structure 123 includes two positioning ribs extending along the length direction of the sleeve 12 and spaced apart along the circumferential direction of the sleeve 12, and the first positioning structure 2111 includes two positioning grooves extending along the depth direction of the receiving hole 211 and spaced apart along the circumferential direction of the receiving hole 211.

Through such setting, set up two location muscle and can make the location of straw box 1 more accurate than just setting up one location muscle.

It should be noted that the positioning rib may be integrally formed with the sleeve 12, or may be adhesively connected with the sleeve 12, etc., and such adjustment and modification of the specific connection between the positioning rib and the sleeve 12 do not depart from the principle and scope of the present utility model, and are all included in the protection scope of the present utility model.

Preferably, the locating ribs are integrally formed with the sleeve 12.

It should be noted that the two positioning ribs on the sleeve 12 may be disposed opposite to the two reinforcing ribs, etc., and such adjustment and modification of the specific disposition positions of the positioning ribs and the reinforcing ribs do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 1, two positioning ribs are provided corresponding to two reinforcing ribs.

Through such setting, when processing sleeve pipe 12, can process out an entire muscle simultaneously on the lateral wall of sleeve pipe 12, wherein, the muscle that is located between spacing ring and the open end of sleeve pipe 12 is the strengthening rib, and the muscle that is located between the blind end of spacing ring and sleeve pipe 12 is the location muscle to can improve the machining efficiency of sleeve pipe 12.

It should be noted that, in practical applications, those skilled in the art may set the number of the first positioning structures 2111 and the second positioning structures 123 to one group, or may set the number of the second positioning structures 123 to one group, set the number of the first positioning structures 2111 to two or more groups, etc., and such modifications and changes to the specific number of the first positioning structures 2111 and the second positioning structures 123 are included in the scope and spirit of the present utility model.

Preferably, as shown in fig. 1, 3, 4 and 6, the number of the second positioning structures 123 of the present utility model is one group, the number of the first positioning structures 2111 is multiple groups, the multiple groups of the first positioning structures 2111 are distributed at intervals along the circumferential direction of the accommodating hole 211, and each group of the first positioning structures 2111 can be matched with the second positioning structure 123 to place the straw sleeve 1 into the accommodating hole 211.

Through such setting, compare with the form that only set up the quantity of first location structure 2111 and second location structure 123 all into one set of, with the quantity of second location structure 123 being one set, the quantity of first location structure 2111 is the form of multiunit, can make second location structure 123 can cooperate with one of multiunit first location structure 2111 in order to place straw tube 1 in holding hole 211, thereby can improve the cooperation probability between second location structure 123 and the first location structure 2111, and then improve straw tube 1's placement efficiency.

As illustrated in fig. 1, 3, 4 and 6, the second positioning structure 123 is a set, the first positioning structure 2111 is three sets, that is, the number of positioning ribs is two, the two positioning ribs are distributed along the circumferential direction of the sleeve 12 at intervals, the number of positioning grooves is six, and the six positioning grooves are distributed along the circumferential direction of the accommodating hole 211 at intervals, so that the placement efficiency of placing the straw sleeve 1 into the accommodating hole 211 can be improved, and the use experience of a user can be further improved.

It should be noted that, in practical applications, those skilled in the art may set the cross section of the box 21 to be trapezoidal, or may set the cross section of the box 21 to be regular hexagonal, or may set the cross section of the box 21 to be any other possible form, etc., and such modifications and changes to the specific configuration of the box 21 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 6, the cross section of the case 21 is trapezoidal, and the plurality of receiving holes 211 are closely arranged in the horizontal direction on the case 21.

Through setting the cross-section of box body 21 to trapezoidal, compare with the rectangle box body 21 among the prior art, can make the quantity of the accommodation hole 211 of seting up on the box body 21 more, avoid the space waste on the box body 21, improve the space utilization on the box body 21, and then can improve the quantity that the straw box 2 held straw box 1, improve straw box 2's storage capacity.

Preferably, as shown in fig. 6, the box 21 of the present utility model is provided with the weight-reducing hole 212 at a position where the accommodating hole 211 is not provided, so that the dead weight of the box 21 can be further reduced, the operation convenience is improved, and the use experience of a user is further improved.

It should be noted that the weight-reducing holes 212 may be through holes, blind holes, etc., and such modifications and changes to the specific arrangement of the weight-reducing grooves are not intended to depart from the spirit and scope of the present utility model.

Preferably, the lightening holes 212 are through holes.

With continued reference to fig. 6, and with subsequent reference to fig. 7, fig. 7 is a schematic view of the structure of the catheter hub of the present utility model, wherein a schematic view of the bottom of the catheter hub is shown.

Preferably, as shown in fig. 6 and 7, the top of the box 21 of the present utility model is provided with a first clamping structure 213, the bottom of the box 21 is provided with a second clamping structure 214, and the first clamping structure 213 and the second clamping structure 214 cooperate to stack the bottom of one box 21 on the top of the other box 21.

Through such a setting, when not using the catheter box 2, be convenient for through stacking a plurality of box body 21 with the parking space that reduces the catheter box 2, through setting up first joint structure 213 and second joint structure 214, can improve the stability of stacking of a plurality of box body 21.

It should be noted that, in practical applications, those skilled in the art may set the first clamping structure 213 and the second clamping structure 214 to a structure of a clamping protrusion and a clamping groove, or may set the first clamping structure and the second clamping structure 214 to a structure of a clamping post and a clamping hole, etc., and such modifications and changes of the specific structure types of the first clamping structure 213 and the second clamping structure 214 do not deviate from the principle and the scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 6 and 7, the first clamping structure 213 is a clamping groove, and the second clamping structure 214 is a clamping protrusion.

Through such setting, compare with the structural style that sets up first joint structure 213 and second joint structure 214 into joint post and joint hole, with first joint structure 213 for the joint recess, second joint structure 214 is the joint arch, can increase the joint area between two adjacent box bodies 21, improves joint stability.

Referring next to fig. 8, fig. 8 is a schematic view of the storage device and a portion of the catheter hub, a portion of the catheter hub of the present utility model, wherein the schematic view is shown after the cover and the door are hidden.

In a third aspect, the present utility model also provides a storage device for storing the catheter hub 2 of any of the embodiments described above.

Specifically, as shown in fig. 8, the storage device includes a cabin 31, and a plurality of accommodating grooves 311 adapted to the catheter box 2 are formed in the cabin 31, and the catheter box 2 can be placed in the accommodating grooves 311.

By providing the cabin body 31 with the trapezoidal accommodating groove 311 corresponding to the straw box 2, more straw boxes 2 can be accommodated in the cabin body 31, so that more accommodating grooves 311 can be formed in the cabin body 31, and the storage capacity of the cabin body 31 can be improved.

It should be noted that, in practical applications, those skilled in the art may set the cabin 31 to be cylindrical, or may set the cabin 31 to be cubic, or may set the cabin 31 to be any other possible form, etc., and such modifications and changes to the specific configuration of the cabin 31 do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 8, the nacelle 31 has a cylindrical shape, and a plurality of receiving grooves 311 are distributed along the circumferential direction of the nacelle 31.

Through such setting, compare with the form that sets up the cabin body 31 into cube form, set up the cabin body 31 into cylindric, can improve the space utilization on the cabin body 31 to can set up more holding tank 311 on the cabin body 31, thereby promote the cylindric liquid nitrogen jar grillage memory space with unit volume, and then improve the storage capacity of cabin body 31.

It should be noted that, the plurality of accommodating grooves 311 distributed along the circumferential direction of the cabin 31 form one storage unit, the number of storage units may be set to one, or the number of storage units may be set to a plurality, etc., and such adjustment and change of the specific number of the storage units do not deviate from the principle and scope of the present utility model, and are included in the protection scope of the present utility model.

Preferably, as shown in fig. 8, the number of storage units is plural, and the plural storage units are distributed at intervals in the radial direction of the nacelle 31.

With this arrangement, the storage capacity of the cabin 31 can be further improved.

Illustratively, the number of memory cells is three.

Preferably, the storage device further comprises a cover plate (not shown in the drawings), the cover plate is arranged at the top of the cabin 31, and a loft port 32 and a door are arranged on the cover plate, wherein the door can move relative to the cover plate to open or close the loft port 32, and the cabin 31 can rotate relative to the cover plate to align the accommodating groove 311 with the loft port 32.

Through such setting, can avoid opening whole apron in lofting or sampling to reduce the cold energy dissipation.

It should be noted that the door may be configured to rotate relative to the cover plate to open or close the loft port 32, or may be configured to slide relative to the cover plate to open or close the loft port 32, or may be configured to be removably coupled to the cover plate, etc., and such adjustments and changes in the specific manner of coupling between the door and the cover plate are within the scope and spirit of the present utility model.

Preferably, the door is rotatable relative to the cover plate to open or close the vent 32.

It should be noted that, in practical applications, a plurality of loft ports 32 may be provided, where each loft port 32 is provided corresponding to each storage unit, or one loft port 32 may be provided, where the loft ports 32 can be aligned with the receiving slots 311 on each storage unit, etc., and such pairs of flexible adjustment and modification are not departing from the principle and scope of the present utility model, and are all included in the protection scope of the present utility model.

Preferably, as shown in fig. 8, the number of the loft ports 32 of the present utility model is one, and the loft ports 32 can be aligned with the receiving grooves 311 on each storage unit.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (12)

1. The utility model provides a catheter sheath, its characterized in that, the catheter sheath includes sleeve pipe and cover cap, be provided with at least two edges on the cover cap the length direction interval distribution's of cover cap first locking structure, be provided with on the sleeve pipe with the second locking structure of first locking structure looks adaptation, the second locking structure can be selectively with one of them first locking structure cooperatees in order to fix the cover cap is in on the sleeve pipe.

2. The catheter hub of claim 1, wherein said first locking structure comprises a locking detent provided on an inner sidewall of said hub and said second locking structure comprises a locking projection provided on an outer sidewall of said hub, said locking projection being engageable in and removable from said locking detent.

3. The catheter hub of claim 2, wherein said sleeve is provided with a reinforcing structure at a location corresponding to said locking detent, said locking protrusion being located on said reinforcing structure.

4. A catheter sheath according to claim 3, wherein the number of reinforcing structures is two, the two reinforcing structures are spaced apart along the circumference of the sheath, the number of locking protrusions is also two, and the two locking protrusions are arranged in a one-to-one correspondence with the reinforcing structures.

5. The catheter hub of claim 2, wherein said locking detents are arcuate slots, said arcuate slots being a plurality in number, said arcuate slots being circumferentially spaced about an inner sidewall of said hub; and/or

The locking clamping groove is an annular groove, and the annular groove extends along the circumferential direction of the inner side wall of the sleeve cap.

6. The catheter sheath of any one of claims 1-5, wherein the number of second locking structures is a plurality, the plurality of second locking structures being spaced apart along the length of the sheath.

7. The catheter sheath of claim 1, wherein the cross section of the cap is polygonal, the sheath is further provided with a limiting portion, the limiting portion is disposed near the open end of the sheath and is connected with the sheath, the cross section of the limiting portion is adapted to the cross section of the cap, and in the installed state, the limiting portion is clamped in the cap.

8. A cannula sleeve according to claim 1, wherein said cannula and/or said cap is provided with a through hole, said through hole being capable of allowing a refrigerating fluid to enter into said cannula sleeve and allowing a refrigerating fluid to drain from said cannula sleeve.

9. A catheter hub box for storing a catheter hub according to any one of claims 1 to 8, wherein the catheter hub box comprises a box body, a plurality of accommodating holes are formed in the box body, a first positioning structure is arranged in each accommodating hole, a second positioning structure is arranged on the catheter hub, and the first positioning structure is matched with the second positioning structure so as to place the catheter hub in each accommodating hole.

10. The catheter hub of claim 9, wherein said second plurality of locating structures is a plurality of groups and said first plurality of locating structures is a plurality of groups, said first plurality of groups being circumferentially spaced about said receiving aperture, each of said first plurality of groups being engageable with said second plurality of locating structures to position said catheter hub within said receiving aperture.

11. The catheter hub of claim 9, wherein said housing has a trapezoidal cross section, and a plurality of said receiving holes are closely aligned in a horizontal direction on said housing.

12. A storage device for storing the catheter hub according to any one of claims 9 to 11, wherein the storage device comprises a compartment provided with a plurality of receiving slots adapted to the catheter hub, and the catheter hub is capable of being placed in the receiving slots.