CN218946476U - Guide pipe tip burr cutting tool - Google Patents

Abstract

The utility model provides a catheter tip burr cutting tool which comprises a base, wherein a rotating groove is formed in one side of the top of the base, a bearing is connected in the rotating groove, a mandrel is connected in the bearing in a rotating mode, one end of the mandrel extends to one side outside the bearing, and a cutting groove is formed in one end of the mandrel.

Description

Guide pipe tip burr cutting tool

Technical Field

The utility model belongs to the technical field of catheter cutting, and particularly relates to a catheter tip burr cutting tool.

Background

Sheath is a medical device that is placed into an artery to provide access to other endovascular therapeutic materials. After the sheath tube is formed, end face cutting processing is required to obtain the required length. The cutting uniformity of the end face of the sheath is an important index for measuring the processing quality of the end face of the sheath.

Based on the above, the present inventors found that the following problems exist: the existing sheath tube adopts a manual cutting processing mode, and the manual cutting processing mode has the problems of low processing speed, high processing cost, easy finger careless scratching when a worker uses a blade to cut the sheath tube, uneven end face formed by cutting the sheath tube due to manual cutting, and different length of the cut sheath tube.

Accordingly, the present utility model provides a tool for cutting burrs at the tip of a catheter, which is improved with respect to the conventional structure and the conventional defects, so as to achieve the purpose of having more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a catheter tip burr cutting tool, which solves the problems that the existing sheath tube is usually processed by manual cutting, the processing mode of manual cutting operation is low in processing speed and high in processing cost, fingers are easy to be carelessly scratched when a worker uses a blade to cut the sheath tube, the end face formed by cutting the sheath tube is irregular due to manual cutting, and the length of the cut sheath tube is different.

The utility model discloses a catheter tip burr cutting tool, which is characterized by comprising the following specific technical means:

the utility model provides a catheter pointed burr cutting frock, includes the base, the rotary groove has been seted up to top one side of base, the internally connected of rotary groove has the bearing, the bearing internal rotation is connected with the dabber, the one end of dabber extends to the outside one side of bearing, the cutting groove has been seted up on the one end of dabber, the knife rest is installed to bottom one side of base, the blade is installed to the slope on the knife rest, blade and cutting groove set up relatively.

Further, the diameter of the cutting groove is smaller than the diameter of the inner cavity of the catheter, and the diameter of the mandrel is matched with the diameter of the inner cavity of the catheter.

Further, a driving motor is arranged on one side of the top of the base, and the driving motor drives the mandrel to rotate along the circumferential direction of the mandrel.

Further, a bottom plate is arranged on one side of the top of the tool rest, a tool apron is arranged on the bottom plate, an inclined clamping groove is formed in one side of the tool apron, and the blade is inserted into the inclined clamping groove.

Further, the inclination of blade is 25, the both sides of blade holder all are provided with the lock bolt, two lock bolt all screw thread run through in the blade holder and with the side of blade holder inconsistent.

Further, the other side of the top of the tool rest is connected with an electric push rod, a piston rod end of the electric push rod penetrates through the tool rest and is connected with one side of the tool rest, a baffle and a clamping block are mounted on the top of the bottom plate, and a slot matched with the clamping block is formed in the bottom of the tool rest.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the sheath is fixed by the mandrel provided with the sheath and connected with the inner cavity wall of the sheath to fix the sheath, so that the sheath is effectively supported, the sheath is effectively prevented from being deformed in the process of cutting the sheath by the blade, the cutting effect of cutting the sheath by the blade ring is ensured, the cutting end face of the sheath is ensured to be neat, the cutting processing speed of the sheath can be effectively improved, the processing cost is reduced by arranging the blade, the dependence on the human cutting technology is reduced by changing the original manual control plane mode, the cutting of burrs of the sheath is realized, and the problems of low cutting speed and uneven cutting are solved;

2. the sheath pipe positioned at the position of the cutting groove is subjected to circular cutting treatment by arranging the through blade, because the diameter of the cutting groove is smaller than the diameter of the inner cavity of the sheath pipe, the blade can be effectively ensured to accurately cut the position of the sheath pipe which needs to be cut, the core shaft can not be cut, the lengths of the cut sheath pipes are the same, meanwhile, the blade is installed by adopting an inclined angle of 25 degrees, the cutting angle of a knife edge during cutting is changed, and the cutting end face of the sheath pipe is ensured to be neat.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 3 is an enlarged schematic view of fig. 2 a in accordance with the present utility model.

Fig. 4 is a schematic perspective view of the tool holder of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a base; 2. a rotating groove; 3. a bearing; 4. a mandrel; 5. cutting a groove; 6. a tool holder; 7. a blade; 8. a bottom plate; 9. a baffle; 10. a tool apron; 11. an inclined clamping groove; 12. an electric push rod; 13. a clamping block; 14. a slot; 15. a locking bolt.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides a guide pipe tip burr cutting tool which comprises a base 1, wherein a rotating groove 2 is formed in one side of the top of the base 1, a bearing 3 is connected in the rotating groove 2, a mandrel 4 is connected in the bearing 3 in a rotating mode, centering performance during rotation is improved through cooperation of the mandrel 4 and the bearing 3, one end of the mandrel 4 extends to one side outside the bearing 3, a cutting groove 5 is formed in one end of the mandrel 4, a tool rest 6 is arranged on one side of the bottom of the base 1, a blade 7 is obliquely arranged on the tool rest 6, and the blade 7 and the cutting groove 5 are oppositely arranged.

In other embodiments, the diameter of the cutting groove 5 is smaller than the diameter of the inner cavity of the catheter, and the diameter of the mandrel 4 is matched with the diameter of the inner cavity of the catheter, because the diameter of the cutting groove 5 is smaller than the diameter of the inner cavity of the sheath, the blade 7 can be effectively ensured to accurately cut the position of the sheath, which needs to be cut, and the mandrel 4 can not be cut, so that the lengths of the cut sheaths are the same, the mandrel 4 can not be contacted with the blade 7, and the blade 7 is prevented from being damaged.

In other embodiments, a driving motor is arranged on one side of the top of the base 1, the driving motor drives the mandrel 4 to rotate along the circumferential direction of the base, and the driving motor drives the mandrel 4 to rotate so as to effectively drive the sheath tube to rotate along the circumferential direction of the sheath tube, so that the efficiency is improved by 100% compared with the prior manual cutting by the simple mandrel 4.

In other embodiments, the bottom plate 8 is installed on one side of the top of the tool rest 6, the tool rest 10 is provided on the bottom plate 8, the inclined clamping groove 11 is provided on one side of the tool rest 10, the blade 7 is inserted into the inclined clamping groove 11, and the blade 7 can be installed by providing the inclined clamping groove 11.

In other embodiments, the inclination angle of the blade 7 is 25 °, locking bolts 15 are arranged on two sides of the tool holder 10, and the two locking bolts 15 are threaded through the tool holder 10 and are in contact with the side surface of the tool holder 10, and the blade 7 is installed in an inclined manner of 25 °, so that the angle of the cutting edge during cutting is changed, and the cutting end surface of the sheath tube is ensured to be neat.

In other embodiments, the other side of the top of the tool rest 6 is connected with an electric push rod 12, the piston rod end of the electric push rod 12 penetrates through the tool rest 6 and is connected with one side of the tool apron 10, the top of the bottom plate 8 is provided with a baffle plate 9 and a clamping block 13, the bottom of the tool apron 10 is provided with a slot 14 matched with the clamping block 13, when the blade 7 is driven by the electric push rod 12 to move to the position of a cutting groove 5 for cutting the sheath, the sheath uniformly rotates along the circumferential direction of the blade 7, so that circular cutting of the sheath can be effectively realized, the efficiency is improved by 100% and the qualification rate is improved by 80% compared with the prior manual cutting by a simple mandrel 4, and the catheter is manufactured more stably and efficiently.

In the case of a further embodiment of the present utility model,

specific use and action of the embodiment:

according to the utility model, the sheath tube to be cut is sleeved on the mandrel 4, the mandrel 4 is driven by the driving motor to rotate, so that the sheath tube can be effectively driven to rotate along the circumferential direction, when the blade 7 is driven by the electric push rod 12 to move to the position of the cutting groove 5 for cutting the sheath tube, the sheath tube can be effectively subjected to circular cutting operation along the circumferential direction by uniformly rotating the sheath tube, compared with the original manual cutting of the simple mandrel 4, the efficiency is improved by 100%, the qualification rate is improved by 80%, the catheter is beneficial to more stable and efficient manufacturing, because the diameter of the cutting groove 5 is smaller than the diameter of the inner cavity of the sheath tube, the blade 7 can be effectively ensured to accurately cut the position of the sheath tube to be cut, and the mandrel 4 can not be cut, so that the length of the cut sheath tube is the same, the mandrel 4 is not contacted with the blade 7, the damage of the blade 7 is prevented, the dependence on the cutting technology of a person is reduced by changing the original manual control plane mode, and the problems of slow cutting speed and uneven cutting are solved.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. Catheter pointed burr cutting frock, its characterized in that: including base (1), rotation groove (2) have been seted up on one side of the top of base (1), the internally connected of rotation groove (2) has bearing (3), the bearing (3) internal rotation is connected with dabber (4), the one end of dabber (4) extends to bearing (3) outside one side, cut groove (5) have been seted up on the one end of dabber (4), knife rest (6) are installed to one side of the bottom of base (1), blade (7) are installed to the slope on knife rest (6), blade (7) and cutting groove (5) set up relatively.

2. The catheter tip burr cutting tool of claim 1, wherein: the diameter of the cutting groove (5) is smaller than the diameter of the inner cavity of the catheter, and the diameter of the mandrel (4) is matched with the diameter of the inner cavity of the catheter.

3. The catheter tip burr cutting tool of claim 1, wherein: one side at the top of the base (1) is provided with a driving motor, and the driving motor drives the mandrel (4) to rotate along the circumferential direction of the mandrel.

4. The catheter tip burr cutting tool of claim 1, wherein: the cutting tool is characterized in that a bottom plate (8) is arranged on one side of the top of the tool rest (6), a tool apron (10) is arranged on the bottom plate (8), an inclined clamping groove (11) is formed in one side of the tool apron (10), and the blade (7) is inserted into the inclined clamping groove (11).

5. The catheter tip burr cutting tool of claim 4, wherein: the inclination of blade (7) is 25, both sides of blade holder (10) all are provided with locking bolt (15), two locking bolt (15) all screw thread run through in blade holder (10) and with the side of blade holder (10) inconsistent.

6. The catheter tip burr cutting tool of claim 5, wherein: the novel tool rest is characterized in that an electric push rod (12) is connected to the other side of the top of the tool rest (6), a piston rod end of the electric push rod (12) penetrates through the tool rest (6) and is connected with one side of the tool rest (10), a baffle (9) and a clamping block (13) are mounted on the top of the bottom plate (8), and a slot (14) matched with the clamping block (13) is formed in the bottom of the tool rest (10).

Images