CN114010284A

CN114010284A - Endoscope probe fixer and have its stopper subassembly and puncture ware

Info

Publication number: CN114010284A
Application number: CN202111390127.5A
Authority: CN
Inventors: 樊友平; 杨建涛; 梅里翁.里斯.托马斯; 杨海龙; 居朝永; 陈伟理; 魏义
Original assignee: Jimei Industrial International Co ltd; Shanghai Zhiyu Medical Instrument Co ltd
Current assignee: Jimei Industrial International Co ltd; Shanghai Zhiyu Medical Instrument Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-02-08
Also published as: WO2023088102A1

Abstract

The invention relates to an endoscope probe fixer, which comprises a knob (11) with a first through hole (114) and a base (12) with a second through hole (124), wherein the knob is clamped on an elastic split (121) of the base through the first through hole and a fixing boss (111) on the inner wall of the first through hole, a second through hole with variable size for an endoscope probe to pass through is formed in the center of the elastic split, and the fixing boss drives a fixing rib (1211) with gradually increased thickness on the outer wall surface of the elastic split by rotating the knob, so that the size of the second through hole can be changed, and the endoscope probe can be clamped or loosened. The invention also provides an obturator assembly and a penetrator with the endoscope probe holder. The endoscope probe can be stably fixed on the stopper component by adopting the knob and the base with adjustable inner diameter, and the endoscope probe cannot shake in the stopper component during puncture, so that clear endoscope imaging can be obtained.

Description

Endoscope probe fixer and have its stopper subassembly and puncture ware

Technical Field

The invention belongs to the field of minimally invasive surgical instruments, and particularly relates to an endoscope probe fixer, and a stopper assembly and a puncture outfit with the same.

Background

In the existing minimally invasive surgery, a puncture outfit is often used, and the puncture outfit is usually composed of an obturator component and a sleeve component. When puncturing a first puncture instrument near a lesion of a patient, visual puncturing is generally required because the inside of the body of the patient is not visible.

Visual puncture is exactly that the puncture ware is when the puncture, with in the stopper subassembly inserts the thimble assembly, then with the endoscope insert in the stopper subassembly, wholly uses, just after puncturing patient's skin when the puncture ware, just can see the inside condition of health through the endoscope to reduce the operation risk. Such as the one disclosed in AU2013203912a 1. Most of puncture device stopper assemblies sold in the market do not have an endoscope fixing function, and a few of the puncture device stopper assemblies use rubber parts to fix an endoscope, so that the endoscope shakes in the stopper assembly during puncture, and the imaging of the endoscope is not clear.

The present invention has been made in view of the above circumstances.

Disclosure of Invention

The invention aims to provide an endoscope probe fixer, which can prevent an endoscope probe from shaking in an obturator assembly during puncture, thereby obtaining clear endoscope imaging.

The technical scheme of the invention is as follows: the utility model provides an endoscope probe fixer, includes the knob that has first through-hole and the base that has the second through-hole, the knob passes through screens boss, the spacing block on first through-hole and the first through-hole inner wall and is in on the elasticity split of base, and a plurality of elasticity split central authorities form the changeable second through-hole of thickness that supplies endoscope probe to pass through, through rotatory the knob for fixed boss on the first through-hole inner wall extrudees the gradual fixed muscle of thickness on the elasticity split outer wall face, can let the size change of second through-hole realizes pressing from both sides tightly or relaxing to endoscope probe.

Further, the knob includes handle and cylinder, run through in the middle of handle and the cylinder have first through-hole inner wall upper portion evenly is provided with the fixed boss more than 2, first through-hole inner wall bottom is provided with screens boss and spacing face for form the block with the screens sloping platform on the elasticity split outer wall, avoid the knob to break away from the base.

Optionally, the handle is a plum blossom handle or a round handle.

Further, the base includes annular inner circle and annular outer lane, the annular inner circle comprises the arc elasticity split that has certain clearance each other more than 2, and upper portion is provided with fixed muscle in the outer wall of every elasticity split, the bottom of fixed muscle is provided with the gradual increase screens sloping platform of size from the top down, distance between annular inner circle and the annular outer lane is greater than the thickness of knob lower part cylinder.

Furthermore, the annular inner ring and the annular outer ring are manufactured integrally.

Preferably, there are 3 of said fixing bosses and correspondingly 3 of said resilient petals.

Preferably, a plurality of first positioning grooves which are parallel are arranged on the fixing boss, and correspondingly, a plurality of second positioning grooves which are meshed with the first positioning grooves are arranged on the fixing ribs of the elastic split.

Preferably, the lower part of the base is provided with a buckle matched with a limiting hole on a blocking rod in the stopper.

Preferably, the knob and/or the base are made of plastic.

The invention also provides an obturator assembly having an endoscopic probe holder as described above.

The invention also provides a puncture outfit which comprises an obturator and a sleeve assembly, and also comprises the endoscope probe fixer.

The invention has the advantages that: 1. due to the adoption of the knob and the base with the adjustable diameter of the inner through hole, the endoscope probe can be stably fixed on the stopper, and the endoscope probe cannot shake in the stopper during puncture, so that clear endoscope imaging can be obtained.

2. The annular inner ring is composed of more than 2 elastic split parts, can uniformly clamp the endoscope probe, and avoids the damage to the endoscope probe.

3. Through set up the fixed muscle of gradual increase in thickness on elasticity split outer wall, form many places face contact between knob and the elasticity split outer wall for the cooperation of the two is reliable and stable.

4. The first positioning grooves are formed in the fixing boss, and the second positioning grooves are formed in the fixing ribs of the elastic split, so that the two positioning grooves are meshed with each other when the knob rotates and are positioned with each other, and looseness can be avoided; the doctor can also decide the degree of tightness of fixation according to own habits, and the doctor can conveniently operate and judge the operation.

5. The plum blossom handle is adopted on the knob, so that a user can conveniently and better rotate the knob.

6. The existing endoscope fixing function is only needed when the first puncture outfit punctures, the function is not needed when other puncture outfits puncture, and each minimally invasive surgery usually needs 3-4 sets of puncture outfits; the endoscope fixer can be used as an independent component, is only provided when the endoscope needs to be fixed, and can also be independently provided for doctors, and the doctors can determine whether the component is needed or not, so that the waste can be reduced.

Drawings

FIG. 1 is a schematic structural view of one embodiment of an endoscopic probe holder of the present invention.

FIG. 2 is a schematic cross-sectional view of the embodiment shown in FIG. 1.

FIG. 3 is a schematic view of a knob configuration of one embodiment of an endoscopic probe holder of the present invention.

Fig. 4 is a schematic view of a base structure corresponding to the knob shown in fig. 3.

Fig. 5 is a schematic view of another state of the embodiment shown in fig. 1.

FIG. 6 is a schematic structural view of one embodiment of an occluder assembly of the present invention having an endoscopic probe holder.

FIG. 7 is a schematic structural view of one embodiment of the puncture instrument with an endoscopic probe holder according to the present invention.

FIG. 8 is a schematic view showing a state in which the puncture instrument with the endoscope probe holder according to the embodiment of the present invention is used.

The endoscope probe comprises a 10-endoscope probe fixer, 11-a knob, 111-a fixing boss, 1111-a first positioning groove, 112-a clamping boss, 113-a limiting surface, 114-a first through hole, 115-a handle, 12-a base, 121-an elastic split, 1211-a fixing rib, 1212-a clamping inclined table, 1213-a second positioning groove, 122-a buckle, 123-an annular inner ring, 124-a second through hole, 125-an annular outer ring, 20-a stopper, 21-a blocking rod, 211-a limiting hole, 30-a sleeve assembly and 40-an endoscope probe.

Detailed Description

An endoscopic probe holder, and obturator assembly and penetrator having the same, in accordance with the present invention are further described with reference to fig. 1-8. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the present invention.

As shown in fig. 1-2, an endoscope probe holder 10 of the present invention includes a knob 11 having a first through hole 114 and a base 12 having a second through hole 124, the knob 11 is engaged with an elastic split 121 of the base through the first through hole 114 and a locking boss 112 and a limiting surface 113 on an inner wall of the first through hole 114, a plurality (for example, 3) of the elastic split 121 collectively form a second through hole 124 with a variable size for an endoscope probe to pass through, by rotating the knob 11, a fixing boss 111 on the inner wall of the first through hole 114 presses a fixing rib 1211 with an increasing thickness on an outer wall surface of the elastic split 121, so that the size of the second through hole 124 can be changed, and the endoscope probe can be clamped or loosened.

As shown in fig. 3, the knob 11 includes a handle 115 and a cylinder connected to the handle 115, a first through hole 114 penetrates through the handle 115 and the cylinder, more than 2 (e.g., 3) fixing bosses 111 are uniformly arranged on the upper portion of the inner wall of the first through hole 114, a plurality of clamping bosses 112 are arranged at the bottom of the inner wall of the first through hole 114, the clamping bosses 112 are located at the same plane position in the axial direction of the first through hole 114, each two clamping bosses 112 form a boss pair, an annular limiting surface 113 is connected between the two clamping bosses 112 in each boss pair, a fixing boss 111 is located between two adjacent boss pairs, a gap is formed between the fixing boss 111 and the clamping boss 112, and the gap can accommodate the thickness of a clamping ramp 1212 of the base 12, so that the clamping ramp 1212 can pass through the gap when the knob 11 rotates. In particular, in the circumferential direction of the first through hole 114, the size of the limiting surface 113 is larger than the circumferential size of the clamping inclined table 1212 on the outer wall surface of the elastic split 121 of the base 12; in the radial direction of the first through hole 114, the height of the limiting surface 113 is smaller than the height of the detent boss 112. The advantage of this arrangement is that when mounting, the knob 11 can pass over the inclined clamping table 1212 on the base 12 from the limiting surface 113 with a small force, so as to realize the assembly of the knob 11 and the base 12; in the using process, when the fixing boss 111 is engaged with the fixing rib 1211, the plurality of clamping bosses 112 together form an annular pressing surface with a smaller size, so that the clamping inclined table 1212 is not easy to separate from the annular pressing surface, thereby ensuring the stable matching of the knob 11 and the base 12 and avoiding the knob 11 from separating from the base 12.

To facilitate rotation of handle 115 by the operator's fingers, handle 115 is a torx handle, although other types of handles, such as a conventional round handle, may be used.

As shown in fig. 2 and 4, the base 12 includes an annular inner ring 123 and an annular outer ring 125, the annular inner ring 123 is composed of more than 2 (e.g. 3) arc-shaped elastic segments 121 with a certain gap therebetween, a fixing rib 1211 is disposed at an upper middle portion of an outer wall surface of each elastic segment 121, a locking ramp 1212 increasing in size from top to bottom is disposed at a bottom portion of the fixing rib 1211, and a distance between the annular inner ring 123 and the annular outer ring 125 is greater than a thickness of a lower cylindrical body of the knob 11. The gap between the inner ring 123 and the outer ring 125 thus accommodates the thickness of the inner wall of the lower cylinder of the knob 11. During assembly, the first through hole 114 of the knob 11 is sleeved on the annular inner ring 123 of the base 12, each limiting surface 113 corresponds to one fixing rib 1211, the cylinder body is pressed down by force, so that the arc-shaped elastic segments 121 on the annular inner ring 123 are compressed and deformed towards the center of the annular inner ring 123, and all the limiting surfaces 113 cross the corresponding clamping inclined platforms 1212 on the fixing ribs 1211, and the purpose of assembling the knob 11 on the base 12 is achieved.

FIG. 5 shows the knob 11 just assembled to the base 12, with the diameter of the second through-hole 124 at a maximum; fig. 1 shows the knob 11 screwed to the base 12, in which the diameter of the second through hole 124 is the smallest.

In the present invention, the fixing bosses 111 correspond to the elastic segments 121 one by one, and there are as many elastic segments 121 as there are fixing bosses 111, and preferably, there are 3 fixing bosses 111 and 3 elastic segments 121.

In a preferred embodiment, the fixing boss 111 is provided with a plurality of first positioning grooves 1111 in parallel, and correspondingly, the fixing rib 1211 of the elastic split 121 is provided with a plurality of second positioning grooves 1213 engaged with the first positioning grooves 1111. The second detent 1213 acts to locate the first detent 1111 relative to one another to prevent undesired rebound of the knob 11 once it is rotated into position.

The knob 11 and the base 12 may be molded from plastic.

As shown in fig. 6, which is a schematic structural diagram of an embodiment of the obturator assembly with an endoscope probe holder according to the present invention, the obturator assembly includes an obturator 20 and an endoscope probe holder 10, a buckle 122 is disposed at a lower portion of a base 12 of the endoscope probe holder and is matched with a blocking rod 21 of the obturator 20, a corresponding limiting hole 211 is disposed on the blocking rod 21, and the buckle 122 is wedged into the limiting hole 211, so that the endoscope probe holder 10 is mounted on the blocking rod 21.

As shown in FIGS. 7 and 8, the puncture instrument provided by the invention comprises an obturator 20, a cannula assembly 30 and an endoscope probe fixing device 10. The endoscope probe 40 is held by the endoscope probe holder 10, and the grip of the endoscope probe holder 10 on the endoscope probe 40 can be adjusted by rotating the knob 11.

The endoscope probe fixer of the invention adopts the way that the knob is matched with the base, so that the endoscope probe 40 does not shake after being inserted into the stopper, and the fixer has the advantages of simple structure and firm fixation, and simultaneously, doctors can determine the tightness degree of the endoscope probe according to own habits, thereby facilitating the operation and judgment of the doctors.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An endoscope probe fixer comprises a knob (11) with a first through hole (114) and a base (12) with a second through hole (124), and is characterized in that the knob (11) is clamped on an elastic split section (121) of the base (12) through the first through hole (114), a clamping boss (112) and a limiting surface (113) on the inner wall of the first through hole (114), the second through hole (124) which is used for an endoscope probe to pass through and has a variable size is formed in the center of the elastic split section (121), and the fixing boss (111) on the inner wall of the first through hole (114) extrudes a fixing rib (1211) with gradually increased thickness on the outer wall surface of the elastic split section (121) by rotating the knob (11), so that the size of the second through hole (124) can be changed, and the endoscope probe can be clamped or loosened.

2. The endoscope probe holder as recited in claim 1, wherein the knob (11) comprises a handle (115) and a cylinder, the first through hole (114) penetrates through the middle of the handle (115) and the cylinder, more than 2 fixing bosses (111) are uniformly arranged on the upper portion of the inner wall of the first through hole (114), and a clamping boss (112) and a limiting surface (113) are arranged on the bottom of the inner wall of the first through hole (114) and used for forming a clamping with a clamping ramp (1212) on the outer wall surface of the elastic split piece (121) to prevent the knob (11) from being separated from the base (12).

3. The endoscope probe holder according to claim 2, wherein the base (12) comprises an annular inner ring (123) and an annular outer ring (125), the annular inner ring (123) is composed of more than 2 arc-shaped elastic segments (121) having a certain gap therebetween, a fixing rib (1211) is provided at a middle-upper portion of an outer wall surface of each elastic segment (121), a locking ramp (1212) increasing in size from top to bottom is provided at a bottom portion of the fixing rib (1211), and a distance between the annular inner ring (123) and the annular outer ring (125) is greater than a thickness of a lower cylindrical body of the knob (11).

4. The endoscopic probe holder as recited in claim 3, characterized in that said annular inner ring (123) and annular outer ring (125) are made in one piece.

5. The endoscopic probe holder as recited in any of claims 1 to 4, characterized in that said holding boss (111) has 3, and correspondingly said resilient split (121) has 3.

6. The endoscopic probe holder as set forth in any of claims 1 to 4, wherein a plurality of first positioning grooves (1111) are provided in parallel on the fixing boss (111), and correspondingly, a plurality of second positioning grooves (1213) engaged with the first positioning grooves (1111) are provided on the fixing rib (1211) of the resilient split (121).

7. An endoscope probe holder according to any of claims 1-4, characterized in that the lower part of said base (12) is provided with a catch (122) which cooperates with a limiting hole (211) in the stopper rod (21) of the stopper (20).

8. An endoscope probe holder according to any of claims 1-4, characterized in that said knob (11) and/or base (12) are made of plastic.

9. An obturator assembly comprising an obturator (20), characterised by further comprising an endoscopic probe holder (10) according to any of claims 1-8.

10. A puncture instrument comprising an obturator (20) and a cannula assembly (30), characterized by further comprising an endoscopic probe holder (10) according to any one of claims 1 to 8.