CN213464951U - Endoscope and disposable head end cap - Google Patents

Abstract

The utility model discloses an endoscope and disposable head end cap, disposable head end cap includes: the window part is formed on the side surface of the disposable head end cap; the through groove penetrates through the top of the disposable head end cap and is arranged at a position corresponding to the clamping part at the head end part of the endoscope so as to accommodate the clamping part; the shearing part is connected with the top end side of the window part and the through groove, and the wall thickness is thin; the clamping part extends inwards from the edge of the through groove to be clamped with the clamping part. The disposable head end cap provided by the utility model ensures that the head end part does not need to be carried with the head end cap in the cleaning and disinfecting process, thereby reducing the difficulty of cleaning and disinfecting the head end part; in addition, the head end cap is directly torn and damaged by the shearing part in the dismounting process, so that the repeated use of the head end cap is avoided, and the medical and sanitary level is improved; in addition, the assembly process between the disposable head end cap and the head end part is convenient, and the connection is firm.

Description

Endoscope and disposable head end cap

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a disposable head end cap and an endoscope of installing above-mentioned disposable head end cap.

Background

The endoscope is often used by doctors in digestive tract detection and treatment operations, the part of the endoscope entering the human body is a slender insertion part, the insertion part comprises an insertion tube with scales, bending parts capable of swinging in different directions and a hard head end part for feeding back diagnosis information, and the head end part integrates functions of illumination, image transmission, water and gas delivery, operation of a forceps channel instrument and the like, has a complex and rigid structure, so that a head end cap with a soft structure needs to be covered on the outer layer of the head end part, and the rigid edge angle of the head end part is prevented from causing damage to the human body.

Endoscope has used in medical treatment clinic, must carry out cleaning and disinfecting, and the head end portion that the structure is complicated has the problem that cleaning and disinfecting process is very difficult because of head end cap to general head end cap adhesive bonding connects in head end portion, consequently inconvenient dismantles the head end cap, makes the extravagant more time of decontamination process and operates inconveniently.

In summary, how to improve the convenience of cleaning and disinfecting the head end portion is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a disposable head cap detachably mounted on a head end portion of a side-viewing endoscope, which can be detached when the head end portion needs to be cleaned, and can be cleaned and disinfected independently, so as to simplify the cleaning and disinfecting process and facilitate the operation; and the disposable head end cap is sheared and damaged in the disassembling process, so that the brand-new head end cap is ensured to be used every time, and the medical and health level is improved.

Another object of the present invention is to provide an endoscope equipped with the above-mentioned disposable tip cap.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a disposable head cap for the cover is located the periphery of looking sideways at the nose portion of side type endoscope, the top of nose portion is provided with card portion, disposable head cap is for forming tubular structure's plastic part along length axis direction, includes:

the window part is formed on the side surface of the disposable head end cap so as to expose the movable space of the lighting device, the camera device and the forceps lifting device in the head end part;

a through groove penetrating through the top of the disposable head end cap and arranged at a position corresponding to the locking part to accommodate the locking part;

the shearing part is connected with the top end side of the window part and the through groove, and the wall thickness of the shearing part is smaller than that of the other positions at the top of the disposable head end cap;

the clamping part extends inwards from the edge of the through groove to be clamped with the clamping part.

Preferably, the clamping portion is arranged on the long side of the edge of the through groove, and the clamping portion is adjacent to the cutting portion.

Preferably, the clamping portion is arranged on the edge of the through groove opposite to the edge where the shearing portion is located;

the disposable head end cap further comprises:

the tearing part is arranged on the side surface of the disposable head end cap along the length axis direction, and one end of the tearing part is connected with the through groove; in the circumferential direction corresponding to different positions of the tearing part, the wall thickness of the position of the tearing part is the minimum;

and the circumferential positioning part is arranged on the inner wall of the disposable head end cap and is used for being matched with the head end part so as to realize circumferential limitation.

Preferably, the tear portion is provided on a side surface adjacent to the window portion so as to abut against an outer side wall of the head end portion.

Preferably, the circumferential positioning part comprises a limiting strip, and the limiting strip extends inwards from the top of the disposable head end cap to abut against the inner side wall of the forceps lifting device accommodating space in the head end part.

Preferably, a notch is formed on a tip end side of the window, and the cutout is provided between the notch and the through groove.

Preferably, at least one side of the notch portion is formed with a detaching surface in a vertical direction.

Preferably, the clamping portion comprises a cantilever and a clamping block, the cantilever extends inwards from the edge of the through groove, the clamping block is arranged at the free end of the cantilever, and the cantilever is provided with a reinforcing rib.

Preferably, the disposable head end cap has a top portion with an inner diameter greater than an inner diameter of a bottom portion thereof, the bottom portion being formed with a notch.

An endoscope, comprising:

a head part provided with an illumination device and a camera device on one side surface and forming a movable space for lifting the clamp device, wherein a clamping part is arranged at the top of the head part;

the disposable head end cap according to any one of the above claims, which is fitted around the periphery of the head end portion.

In the process of using the disposable head end cap provided by the utility model, when the head end cap is required to be installed, the clamping part of the head end cap is required to be aligned with the clamping part of the endoscope and realize clamping, and the clamping part of the head end part is contained in the through groove, so that the illuminating device, the camera device, the forceps lifter and the like of the endoscope are ensured to correspond to the window part, and the disposable head end cap can be normally used, and the installation process of the head end cap is completed; after the installation is accomplished, when needs carry out cleaning and disinfection to the head tip, can demolish disposable head end cap earlier, the in-process of demolising needs to cut off the shearing part earlier, because shearing part and logical groove intercommunication, consequently can form great gap, makes joint portion and card part leave, removes the joint, alright dismantlement head end cap.

Compared with the prior art, the disposable head end cap provided by the utility model has the advantages that the disposable head end cap is detachably connected with the head end part in the using process, so that the head end part does not need to be taken with the head end cap in the cleaning and disinfecting process, and the difficulty in cleaning and disinfecting the head end part is reduced; the cutting part is directly cut off in the disassembly process, so that the head end cap can be cut and damaged, the repeated use of the head end cap is avoided, the medical health level is improved, the disassembly process is convenient and easy to operate, and the head end part of the endoscope cannot be damaged; in addition, adopt joint complex connected mode between head end cap and the head end portion, the assembling process is convenient, and firm in connection.

In addition, the utility model also provides an endoscope of installing above-mentioned disposable end cap.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a head end structure of an endoscope provided with a disposable head end cap sleeve according to the present invention;

FIG. 2 is a schematic illustration of the installation process of the tip portion of the endoscope and the disposable tip cap shown in FIG. 1;

FIG. 3 is a top view of the tip structure of the endoscope shown in FIG. 1;

FIG. 4 is a partial cross-sectional view of the tip structure of the endoscope shown in FIG. 1;

FIG. 5 is a front view of the disposable head end cap of the endoscope shown in FIG. 1;

FIG. 6 is a top view of the disposable head end cap shown in FIG. 5;

FIG. 7 is a bottom view of the disposable head end cap of FIG. 5;

fig. 8 is a partial cross-sectional view of another alternative tip configuration for an endoscope with a disposable tip cap according to the present invention.

In FIGS. 1-8:

1 is a cutting part, 2 is a window part, 21 is a notch part, 22 is a disassembly surface, 3 is a through groove, 4 is a clamping part, 41 is a cantilever, 42 is a fixture block, 5 is a reinforcing rib, 6 is a limiting strip, 7 is a clamping part, 8 is a tearing part, 9 is a notch, 10 is a circumferential positioning part, 101 is a first side wall, 102 is a second side wall, 11 is a forceps lifting device, 12 is a forceps channel instrument opening, 13 is a lighting device, 14 is a camera device, 15 is a water-air nozzle, 16 is a head end cap bottom end, and 17 is a head end part base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a disposable head end cap which can be detachably arranged at the head end part of a side-looking endoscope, when the head end part needs to be cleaned, the disposable head end cap can be detached, and the head end part can be cleaned and disinfected independently, thereby simplifying the cleaning and disinfecting process and facilitating the operation; and the disposable head end cap is sheared and damaged in the disassembling process, so that the brand-new head end cap is ensured to be used every time, and the medical and health level is improved. The other core of the utility model is to provide an endoscope provided with the disposable head end cap.

The endoscope according to the embodiment of the present invention is specifically a side-view endoscope such as a duodenoscope. The "longitudinal direction" in the embodiments of the present application means a longitudinal direction/axial direction of the insertion portion of the endoscope; the top, the top end or the front end of the endoscope is the side of the endoscope far away from the operator; the "bottom", "base end" or "bottom end" is the side of the endoscope that is closer to the operator.

Specifically, as shown in fig. 1 and 2, the head end structure of the endoscope provided by the embodiment of the present application includes a head end portion and a disposable head end cap that is sleeved on the periphery of the head end portion.

The head end part is provided with a lighting device 13, an image pickup device 14, a forceps lifting device 11, a water vapor nozzle 15, a forceps channel instrument opening 12 and the like, and the lighting device 13, the image pickup device 14 and the water vapor nozzle 15 are arranged on one side surface of the head end part along the length axis direction. The bottom of the head end part is provided with a head end part base 17, the head end part is provided with a containing space for installing the forceps lifting device 11, the containing space comprises a first side wall 101 and a second side wall 102 which are arranged in parallel, and the forceps lifting device 11 is rotatably arranged in the space between the first side wall 101 and the second side wall 102 and is used for adjusting the lifting angle of the surgical instrument extending out of the jaw path instrument opening 12. The structure of the head portion is relatively complicated and rigid, so the head end cap needs to be covered on the outer portion of the head portion to avoid injury to human bodies, and therefore, in the embodiment, the clamping portion 7 used for being fixedly connected with the disposable head end cap is further arranged at the top of the head portion. The specific structure of the locking portion 7 may be provided in accordance with the specific structure of a corresponding member (for example, a locking portion 4 described later) in the disposable tip cap.

The disposable head cap is a plastic part having a cylindrical structure along the length axis direction, and has a certain elasticity, so that it can be gradually inserted from the top of the head end part along the length axis direction until the bottom end 16 of the head cap is connected to the head end part base 17, and/or an inner part (for example, a later-described clamping part 4) is clamped with the clamping part 7 to realize a fixed connection with the head end part.

Specifically, as shown in fig. 1 to 4, the disposable head cap includes: the window part 2, the through groove 3, the shearing part 1 and the clamping part 4; the window part 2 is formed on the side surface of the disposable head end cap and is used for exposing the movable space of the lighting device 13, the camera device 14 and the forceps lifting device 11 in the head end part; the through groove 3 penetrates through the top of the disposable head end cap and is arranged at a position corresponding to the clamping part 7 so as to accommodate the clamping part 7; the cutting part 1 is connected with the top end side of the window part 2 and the through groove 3, and the wall thickness of the cutting part 1 is smaller than that of the other positions at the top of the disposable head end cap; the clamping portion 4 extends inwards from the edge of the through groove 3 to be clamped with the clamping portion 7.

As shown in fig. 4, the locking portion 4 may include a cantilever 41 extending inward from an edge of the through groove 3 and a locking block 42 disposed at a free end of the cantilever 41, and the cantilever 41 is provided with a reinforcing rib 5, which can enhance strength of the cantilever 41 and prevent the locking block 42 from breaking due to interference with the locking portion 7 when the disposable head end cap is mounted; of course, the clamping portion 4 may also be in other structural forms, which are determined according to actual situations; preferably, the latch 42 is provided to protrude in a radial direction of the cantilever 41.

In practical applications, when the disposable tip cap needs to be installed, as shown in fig. 2, the window portion 2 may be aligned with the side of the tip portion where the illumination device 13 and the imaging device 14 are disposed, the through groove 3 of the disposable tip cap may be aligned with the locking portion 7 of the endoscope, and then the disposable tip cap may be pressed downward with this as a guide, and during this, interference may be formed between the latch 42 and the locking portion 7 in the locking portion 4, but since the cantilever 41 has a certain elasticity, when the latch 42 passes over the interference portion in the locking portion 7, the latch may be rebounded to a vertical position by the elasticity of the cantilever 41, and thus, the latch may be locked with the locking portion 7, and the installation of the disposable tip cap may be completed. When the head end part needs to be cleaned and disinfected, the disposable head end cap can be detached, specifically, the wall thickness of the shearing part 1 is thinner and smaller than the wall thickness of other positions at the top of the disposable head end cap, so the shearing part 1 can be firstly sheared by using surgical scissors, and the shearing part 1 is connected with the through groove 3, so a large gap can be formed at the top of the disposable head end cap after the shearing part 1 is sheared, therefore, the clamping part 4 can be separated from the clamping part 7 by wrestling the edge of the through groove 3 or tearing the disposable head end cap along the shearing part 1, the clamping is released, and the head end cap can be detached.

Compared with the prior art, the disposable head end cap provided by the embodiment has the advantages that the disposable head end cap is detachably connected with the head end part in the using process, so that the head end part does not need to be carried in the cleaning and disinfecting process, the cleaning and disinfecting difficulty of the head end part is reduced, and the cleaning and disinfecting process of the head end part is more convenient; the shearing part 1 is directly sheared in the disassembling process, so that the head end cap can be sheared and damaged, the repeated use of the head end cap is avoided, the medical and health level is improved, the disassembling process is convenient and easy to operate, and the head end part of the endoscope cannot be damaged; in addition, the head end cap and the head end part adopt a clamping fit connection mode, the assembly process is convenient, and the connection is firm; set up joint portion 4 at the edge that leads to groove 3, can make things convenient for the die sinking of 4 parts of joint portion, realize the low-cost processing of large batch disposable head end cap, reduction in production cost.

Specifically, in some embodiments, as shown in fig. 8, the clamping portion 4 may be disposed on the long side of the edge of the through slot 3, and the clamping portion 4 is disposed adjacent to the cutting portion 1; in the process of disassembling the disposable head cap, after the cutting part 1 is cut off, because the clamping part 4 is arranged adjacent to the cutting part 1, and the clamping part 4 is arranged at the long side of the through groove 3, the long side of the through groove 3 can break a larger gap, the clamping part 4 and the clamping part 7 are released to be clamped, and the disposable head cap is separated from the head end part.

Preferably, can set up logical groove 3 into the logical groove 3 that the cross section is the rectangle, two sets of long avris that lead to groove 3 all set up joint portion 4, and under the joint state, two sets of joint portions 4 all realize the joint with card portion 7, as shown in fig. 8, because joint portion 4 sets up in the long avris that leads to groove 3, the area of contact between the cantilever 41 of joint portion 4 and the lateral wall of card portion 7 is great, can support each other with card portion 7 lateral wall through cantilever 41, in order to play the spacing effect of circumference, need not additionally to set up circumference location portion 10, make the structure further simplify.

Alternatively, in other embodiments, as shown in fig. 7, the snapping portion 4 may also be disposed at an edge of the through slot 3 opposite to the edge where the cutting portion 1 is located. The disposable head end cap further comprises: the head cap comprises a tearing part 8 and a circumferential positioning part 10, wherein the tearing part 8 is arranged on the side surface of the disposable head cap along the length axis direction, and one end of the tearing part 8 is connected with the through groove 3; in the circumferential direction corresponding to different positions of the tearing part 8, the wall thickness at the position of the tearing part 8 is the smallest, namely, the wall thickness at any position of the tearing part 8 in the corresponding circumferential direction is the smallest, and comparison is only carried out in the same circumferential direction; the circumferential positioning part 10 is arranged on the inner wall of the disposable head end cap and is used for being matched with the head end part to realize circumferential limiting.

In this embodiment, after the cut portion 1 is cut, the through groove 3 is cut at the edge of the cut portion 1, and since the snap-in portion 4 is provided at the edge opposite to the cut portion 1, therefore, the interference surface (contact surface) between the engaging portion 4 and the locking portion 7 is located at the opposite side of the notch, and it is hard to break the edge of the engaging portion 4, which is inconvenient to operate, in this embodiment, a tearing portion 8 having one end connected to the through-groove 3 and a thin wall thickness is further provided, therefore, stress is concentrated on the connection part of the through groove 3 and the tearing part 8 based on the formed notch, the tearing part 8 is broken from the connection part, further gradually breaks along the length axis direction, destroys the binding force of the disposable head end cap on the whole structure, thus, the engagement between the engaging portion 4 and the engaging portion 7 can be released, and the disposable tip cap can be removed.

Wherein, tear portion 8 can set up on the side adjacent with window portion 2 to lean on with the lateral wall of cephalic portion, thereby, can improve the reliability of tear portion 8 in the use (promptly, when disposable head end cap cover locates cephalic portion periphery) with the support that the lateral wall of cephalic portion provided tear portion 8.

When the clip portion 4 is disposed on the short side of the through groove 3, since the length of the short side is short and the contact area between the cantilever 41 of the clip portion 4 and the side wall of the locking portion 7 is small, the circumferential positioning portion 10 is additionally disposed to limit the disposable tip cap from rotating in the circumferential direction with respect to the tip portion.

Optionally, as shown in fig. 5, the circumferential positioning part 10 includes a limiting strip 6, and the limiting strip 6 extends inwards from the top of the disposable head end cap to abut against the inner side wall of the accommodating space of the forceps raising device 11 in the head end. The inner side wall may be a first side wall 101 and/or a second side wall 102 forming a receiving space for the caliper 11. In a specific application, the limiting strip 6 can be one, and the outer side surface of the limiting strip is respectively attached to the first side wall 101 and the second side wall 102 so as to limit the circumferential movement of the disposable head end cap; or, the number of the limiting strips 6 may also include two, and the two limiting strips 6 are respectively attached to the first side wall 101 and the second side wall 102 to limit the circumferential movement of the disposable head end cap. Therefore, circumferential limitation between the disposable head end cap and the head end part can be realized under the condition that the structure of the head end part is not required to be changed.

As shown in fig. 6, the top end side of the window portion 2 may be further provided with a notch portion 21, which may be formed by recessing the top end side of the window portion 2 toward the window portion 2, and the cutout portion 1 is provided between the notch portion 21 and the through groove 3. On the one hand, the distance between the edge of the through groove 3 and the top end side of the window part 2 can be shortened, the length of the shearing part 1 is shortened, and the shearing is convenient; on the other hand, the concave space formed by the notch 21 can facilitate the entry of surgical scissors and the cutting operation of the cutting part 1.

Further, as shown in fig. 5 and 7, at least one side of the notch 21 may be formed with a detaching surface 22 in a vertical direction for providing a force bearing surface for facilitating the application of force by an operator.

In some embodiments, since the head end is affected by the size of the camera 14, the outer diameter of the top end of the head end is larger than the outer diameter of the bottom end, and correspondingly, the inner diameter of the top of the disposable head end cap is also larger than the inner diameter of the bottom of the disposable head end cap; this results in a disposable tip cap that is not easily inserted during the insertion process. To this end, in this embodiment, the bottom of the disposable head end cap may also be formed with a notch 9, as shown in fig. 8. The setting of breach 9 makes the in-process of establishing disposable head end cap at the cover, and the opening size of disposable head end cap bottom can suitably enlarge, makes the installation of disposable head end cap more smooth.

In addition to the above-mentioned disposable tip cap, the present invention further provides an endoscope equipped with the disposable tip cap disclosed in the above-mentioned embodiments, the endoscope comprises a tip portion and the disposable tip cap mentioned in any of the above-mentioned embodiments, the tip portion is provided with an illumination device 13 and a camera device 14 on the side, and forms a moving space for lifting the forceps 11, and the top of the tip portion is provided with a locking portion 7; for the structure of other parts of the endoscope, please refer to the prior art, and the description is omitted here.

It should be noted that the first and second side walls 101 and 102 mentioned in this document are only for limiting the position difference and are not in sequence.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

The endoscope and the disposable head cap provided by the utility model are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a disposable head cap for the cover is located the periphery of looking sideways at the nose portion of side type endoscope, the top of nose portion is provided with card portion (7), its characterized in that, disposable head cap is for forming tubular structure's plastic part along length axis direction, includes:

a window part (2) which is formed on the side surface of the disposable head end cap and exposes the activity space of the lighting device (13), the camera device (14) and the forceps lifting device (11) in the head end part;

a through groove (3) penetrating through the top of the disposable head end cap and provided at a position corresponding to the locking portion (7) to receive the locking portion (7);

a cutting part (1) connecting the top end side of the window part (2) and the through groove (3), wherein the wall thickness of the cutting part (1) is smaller than that of the other positions at the top of the disposable head end cap;

the clamping portion (4) extends inwards from the edge of the through groove (3) to be clamped with the clamping portion (7).

2. The disposable tip cap according to claim 1, wherein the snap portion (4) is provided at the long side of the edge of the through groove (3), and the snap portion (4) is provided adjacent to the cutting portion (1).

3. The disposable head end cap according to claim 1, characterized in that the snap-in portion (4) is provided at an edge of the through slot (3) opposite to an edge where the cut-out portion (1) is located;

the disposable head end cap further comprises:

the tearing part (8) is arranged on the side surface of the disposable head end cap along the length axis direction, and one end of the tearing part (8) is connected with the through groove (3); the wall thickness of the position of the tearing part (8) is the smallest in the circumferential direction corresponding to different positions of the tearing part (8);

and the circumferential positioning part (10) is arranged on the inner wall of the disposable head end cap and is used for being matched with the head end part to realize circumferential limiting.

4. A disposable head end cap according to claim 3, wherein the tear (8) is provided on the side adjacent to the window (2) to abut against the outer side wall of the head end.

5. The disposable head end cap according to claim 3, wherein the circumferential positioning portion (10) comprises a stopper strip (6), the stopper strip (6) extending inwardly from the top of the disposable head end cap to abut against an inner side wall of a forceps holder (11) receiving space in the head end.

6. Disposable tip cap according to claim 1, characterized in that a notch (21) is formed at the tip side of the window portion (2), the cutout portion (1) being provided between the notch (21) and the through groove (3).

7. Disposable head end cap according to claim 6, characterized in that at least one side of the recess (21) is formed with a detachment surface (22) in the vertical direction.

8. The disposable tip cap according to any one of claims 1 to 7, wherein the snap-in portion (4) comprises a cantilever (41) extending inwards from the edge of the through slot (3) and a block (42) arranged at the free end of the cantilever (41), and the cantilever (41) is provided with a reinforcing rib (5).

9. A disposable head end cap according to any of claims 1 to 7, characterized in that the inner diameter of the top part of the disposable head end cap is larger than the inner diameter of the bottom part thereof, said bottom part being formed with a notch (9).

10. An endoscope, comprising:

a head part provided with an illumination device (13) and a camera device (14) on one side surface and forming a movable space of a forceps lifting device (11), wherein the top of the head part is provided with a clamping part (7);

a disposable head end cap according to any one of claims 1 to 9, which is fitted around the outer periphery of the head end portion.

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