CN215687660U

CN215687660U - Medical endoscope

Info

Publication number: CN215687660U
Application number: CN202121935298.7U
Authority: CN
Inventors: 杨荔
Original assignee: Jiangmen Shuotong Medical Equipment Technology Co ltd
Current assignee: Jiangmen Shuotong Medical Equipment Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-01
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a medical endoscope, which comprises an endoscope body and an endoscope sheath, wherein the endoscope body comprises an operating handle part and an endoscope tube, the endoscope tube penetrates into an internal channel of the endoscope sheath and penetrates out of the end part of the endoscope sheath, the endoscope sheath comprises an inner endoscope sheath and an outer endoscope sheath, the endoscope sheath penetrates into the outer endoscope sheath, the outer wall of the endoscope sheath is attached to the edge of a mouth part of an outlet at the end part of the outer endoscope sheath, the outer wall of the endoscope tube is attached to the edge of the mouth part of the outlet at the end part of the endoscope sheath, the caliber of the outlet at the end part of the outer endoscope sheath is larger than the outer diameter of the endoscope tube, and a suction channel is formed between the outer endoscope sheath and the endoscope tube; the single endoscope body is provided with the endoscope sheaths with various specifications, and the endoscope sheaths can be mutually sleeved, fitted, penetrated and connected, so that the gap between the outer wall of the endoscope tube of the endoscope body and the edge of the mouth part of the outermost endoscope sheath is filled, the phenomenon that the edge of the mouth part of the endoscope sheath directly touches and scratches a human body is avoided, and the endoscope can safely enter a human body pipeline by directly using a single endoscope; the insertion outer diameter of the endoscope is changed by combining the endoscope sheaths with different specifications through the single endoscope body, so that the requirements of using different sizes for different cases are met.

Description

Medical endoscope

Technical Field

The utility model relates to the field of medical instruments, in particular to a medical endoscope.

Background

In recent years, with the development of medical technology and scientific development, a brand new treatment means, namely minimally invasive treatment, appears in the medical field, and a brand new treatment concept appears. The medical endoscope is mainly applied to surgical operations and routine medical examinations, compared with the traditional surgical operations, the functional minimally invasive operation technology of the medical endoscope is widely accepted by doctors and patients, the medical endoscope utilizes natural holes of a human body or opens a plurality of small holes when necessary, and the doctors only need to skillfully insert the lens of the endoscope into the body and can carry out closed operation in the body through other surgical instruments and a camera shooting and displaying system.

The endoscope generally comprises an endoscope body and an endoscope sheath, wherein an endoscope tube of the endoscope body is inserted into the endoscope sheath and enters a human body together through the video function of the endoscope, in order to avoid the phenomenon that the edge of the opening part of the sheath tube directly touches the human body and is easily scratched, the endoscope body is provided with a thick endoscope tube and a thin endoscope tube which have two specifications respectively, the endoscope body of the thick endoscope tube is an entrance endoscope, the diameter of the entrance endoscope is approximately equal to the caliber of the outlet of the sheath tube of the endoscope sheath, the outer wall of the endoscope tube is attached to the edge of the opening part of the outlet of the sheath tube, so that the entrance endoscope is inserted into the endoscope sheath, the gap between the endoscope tube and the outlet of the sheath tube is extremely small, when the endoscope advances in a human body pipeline, the endoscope tube positioned at the front end of the sheath tube supports and opens the human body pipeline, the edge of the opening part of the sheath tube is not easily and directly touches the human body under the tension of the human body, and the entrance of the endoscope is safer.

When the entry mirror and the mirror sheath enter a human body to a diseased part of the human body, the entry mirror can be drawn out from the mirror sheath, a channel leading from the inside of the human body to the outside is formed in the mirror sheath, the outer end of the mirror sheath can be connected with a negative pressure device and can be inserted into a mirror body of the thin mirror tube, the mirror body of the thin mirror tube is a working mirror, the pipe diameter of the mirror tube of the working mirror is greatly smaller than the diameter of the channel in the mirror sheath, therefore, the rest space in the channel forms a suction channel, and foreign matters (such as crushed kidney stones or cut micro tissues) can be sucked out with the assistance of the working mirror, and the operation work in the human body is completed.

However, since the size of the body ducts of the human body is different, and the insertion parts of the medical endoscopes with the same specification are fixed in outer diameter, the size cannot be changed, and all groups cannot be covered, for example, the urinary tract of a child is smaller than that of an adult, the urinary tract cannot be used universally, and the function parts cannot be covered even if the seminal vesicle inlet is different, for example, the seminal vesicle inlet is smaller than that of the ureter. If the diameter of the insertion part used by an adult is small, the strength of the endoscope tube is insufficient, the endoscope tube is bent according to the shape of a ureter and the like when entering a human body, the endoscope tube is tightly attached to human tissues, and the lens end can be wrapped by the human tissues, so that the visual field can not be effectively presented according to the will of a user.

This situation makes it necessary for medical institutions to purchase endoscopes of different specifications, and in endoscopes, the endoscope body is expensive to manufacture, and the endoscope is expensive, so that the endoscope equipment cost is high. In addition, different specifications and types of endoscopes have different use methods, and the risk in the operation process is increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a medical endoscope with strong universality.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a medical endoscope, includes mirror body and mirror sheath, is equipped with biography image subassembly and lighting assembly on the mirror body, the mirror body is including operation stalk portion and mirror tube, and the mirror tube penetrates mirror sheath internal passage and wears out from the tip of mirror sheath, the mirror sheath includes interior mirror sheath and outer mirror sheath, the interior mirror sheath penetrates in the outer mirror sheath and the oral area edge of mirror sheath outer wall laminating outer mirror sheath tip export, the oral area edge of mirror tube outer wall laminating mirror sheath tip export, the bore of outer mirror sheath tip export is greater than mirror tube external diameter, makes and forms suction channel between outer mirror sheath and the mirror tube.

The end inlets of the inner and outer sheath are provided with mounting components to realize the combination of the inner and outer sheath or the fixation of the endoscope sheath and the endoscope tube.

The scope sheath includes interior sheath pipe and scope sheath handle, and scope sheath handle has the hole and is scope sheath tip entry, the one end and the hole intercommunication of interior sheath pipe and with scope sheath handle fixed connection, the other end forms scope sheath tip export.

Scope sheath handle is including clamping the overcoat that the inner core was clamped to inner core and slip suit, the hole does clamp the centre bore of inner core, and the pore wall is fitted with a contraceptive ring and is established the round hole and install the card pearl in the round hole, and the card pearl can be followed the round hole and radially move about in the hole relatively, the overcoat with clamp and install between the inner core spring messenger overcoat and clamp the inner core relatively and realize the elasticity activity that resets, the overcoat corresponds the protruding ring platform that is equipped with of card pearl, the mirror tube leans on the tip of handle portion to be equipped with and clamps the card platform that the inner core cooperation card was fixed, the card bench is equipped with the annular that supplies card pearl card income.

The clamping table is positioned above the annular groove and provided with a positioning boss, and the handle of the endoscope sheath is provided with a positioning groove for the positioning boss to slide in.

The outer sheath includes outer sheath pipe and outer sheath handle, and outer sheath handle has the hole and enters the mouth for outer sheath tip, the one end and the hole intercommunication of outer sheath pipe and with outer sheath handle fixed connection, the other end forms outer sheath tip export.

Outer mirror sheath handle includes handheld sleeve and rotates the rotation inner core of connecting in handheld sleeve, the hole is the centre bore of rotating the inner core, and the centre bore has radial ka tai for shoulder hole and its macroporous inner wall radial extension, scope sheath handle court outer mirror sheath handle extension has the cutting ferrule, is equipped with the draw-in groove on the cutting ferrule outer wall, and in the cutting ferrule inserted the centre bore, it made radial ka tai card go into the draw-in groove to rotate the inner core.

The rotating inner core is also provided with a shifting handle.

The cutting ferrule is provided with a mark groove, the rotating inner core is provided with a mark boss, and the cutting ferrule crosses the mark boss through the mark groove and is inserted into the central hole.

The utility model has the beneficial effects that: the single endoscope body is provided with the endoscope sheaths with various specifications, and the endoscope body, the endoscope sheaths and the endoscope sheaths can be mutually sleeved, fitted, penetrated and connected, so that the phenomenon that the edge of the mouth part of the endoscope sheath directly touches and scratches a human body is avoided, and the endoscope can safely enter a human body pipeline to move without being additionally provided with an entering endoscope; on the other hand, the insertion outer diameter of the endoscope is changed by combining the endoscope sheaths with different specifications through the single endoscope body, so that the requirements of using different sizes for different cases are met; the technical effects all reflect that the universality of the utility model is stronger, compared with the prior situation that endoscopes with different specifications and types are used according to different operation conditions, the preparation cost of the endoscope is greatly saved; and the single endoscope can be matched with different operation conditions, the using method is uniform, and the operation risk increased by changing the type and specification of the endoscope is reduced.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention from another perspective;

FIG. 3 is a schematic illustration of the present invention in broken away;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view at A of FIG. 2;

FIG. 6 is an enlarged view at B of FIG. 4;

figure 7 is a disassembled schematic view of a handle of an endoscope sheath;

figure 8 is a disassembled schematic view of the handle of the external scope sheath.

Detailed Description

Referring to fig. 1 to 6, a medical endoscope comprises a endoscope body 1 and an endoscope sheath 2, wherein an image transmission assembly 3 and an illumination assembly 4 are arranged on the endoscope body 1, the endoscope body 1 comprises an operation handle 11 and an endoscope tube 12 penetrating into an internal channel of the endoscope sheath 2, and a visual lens is arranged at the tail end of the endoscope tube. The endoscope sheath 2 comprises an inner endoscope sheath 21 and an outer endoscope sheath 22, the inner endoscope sheath 21 penetrates into the outer endoscope sheath 22, the outer wall of the inner endoscope sheath 21 is attached to the edge of the opening of the end outlet 222 of the outer endoscope sheath, the outer wall of the endoscope tube 12 is attached to the edge of the opening of the end outlet 212 of the endoscope sheath, the caliber of the end outlet 222 of the outer endoscope sheath is larger than the outer diameter of the endoscope tube 12, namely, the inner diameter of the outer endoscope sheath 22 is larger than the outer diameter of the endoscope tube 12, and a suction channel is formed between the outer endoscope sheath 22 and the endoscope tube 12. After the endoscope body 1 respectively passes through the inner endoscope sheath 21 and the outer endoscope sheath 22, the gaps between the outer wall of the endoscope tube 12 and the outlet of the endoscope sheath and between the outer wall of the endoscope sheath and the outlet of the outer sheath tube are extremely small, the edges of the sheath tube mouth parts of the inner endoscope sheath and the outer endoscope sheath are not easy to directly touch and scratch a human body, and the endoscope can safely and smoothly enter the affected part of a human body to start an operation under the visual function of the endoscope body.

Before the operation is started, the inner endoscope sheath 21 and the endoscope body 1 are firstly pulled out, the endoscope body 1 is inserted into the outer endoscope sheath 22 again, and meanwhile, the outer end of the outer endoscope sheath 22 can be connected with a negative pressure device to enable a suction channel in the outer endoscope sheath 22 to generate negative pressure suction; taking kidney stone operation as an example, a holmium laser wire penetrates into a working channel of the endoscope body 1, and the laser is used for crushing the stones under the visual function of the endoscope body 1, and the crushed stones can be sucked away by a suction channel.

Because the internal pipelines of the human body are different in size, when the endoscope is inserted into different individuals, the endoscope body 1, the endoscope sheath 21 and the external endoscope sheath 22 can be sleeved in sequence according to normal steps to form an endoscope with a conventional size, and the endoscope is started to be inserted; when the endoscope holding phenomenon occurs due to the stenosis of the internal pipeline, the external endoscope sheath 22 can not enter, the endoscope can be withdrawn firstly, the external endoscope sheath 22 is detached, the endoscope sheath 21 is sleeved on the remaining endoscope body 1, at the moment, the external diameter of the endoscope is reduced, the endoscope enters the internal pipeline again for performing the endoscope examination evaluation, and when the external endoscope sheath 22 can not enter the human body really, the traditional operation method is used for directly breaking the stone to finish the operation. Furthermore, when the endoscope sheath 21 is sleeved on the endoscope body 1, the phenomenon that the endoscope sheath 21 can not enter the body duct can be caused, the endoscope sheath 21 can be further detached, and only the endoscope tube of the endoscope body 1 directly enters the channel for performing the endoscope examination evaluation, and whether other operation modes are selected or not is considered, for example: ultrasonic waves or placing a pipeline bracket and the like.

The technical effects can be realized by arranging the endoscope sheaths with various specifications on the single endoscope body, the universality is stronger, and compared with the prior condition that endoscopes with different specifications and types are used according to different operation conditions, the preparation cost of the endoscope is greatly saved; on the other hand, according to the characteristic of strong universality, a single endoscope can be matched with different operation conditions, the using method is uniform, and the operation risk increased by changing the type and specification of the endoscope is reduced.

As a preferable scheme of the utility model, the end inlets of the inner and outer endoscope sheaths are provided with mounting components, so that the combination of the inner and outer endoscope sheaths or the fixation of the endoscope sheath and the endoscope tube 12 are realized, and the operation can be carried out more stably during the operation of endoscope entering. As shown in figures 7 and 8, the preferred embodiment of the mounting component on the inner and outer lens sheaths is as follows:

the inner sheath 21 comprises an inner sheath tube 211 and an inner sheath handle 214, the inner sheath handle 214 is provided with an inner hole which is an inner sheath end inlet 213, one end of the inner sheath tube 211 is communicated with the inner hole and is fixedly connected with the inner sheath handle 214, and the other end of the inner sheath tube forms the inner sheath end outlet 212. The endoscope sheath handle 214 comprises a clamping inner core 215 and an outer sleeve 216 which is slidably sleeved on the clamping inner core 215, the inner hole is a central hole for clamping the inner core 215, a circle of round holes are annularly arranged on the hole wall, clamping beads 217 are arranged in the round holes, the clamping beads 217 can move radially in the inner hole along the round holes, a spring is arranged between the outer sleeve 216 and the clamping inner core 215 to enable the outer sleeve 216 to elastically reset relative to the clamping inner core 215, a ring platform 218 is convexly arranged on the outer sleeve 216 corresponding to the clamping beads 217, a clamping platform 121 which is matched and clamped with the clamping inner core 215 is arranged at the end part of the endoscope tube 12 close to the operating handle part 11, and a ring groove 122 for clamping the clamping beads 217 is arranged on the clamping platform 121. Since the spring is installed between the outer casing 216 and the inner core 215, the outer casing 216 is limited to move toward only one side of the spring with respect to the inner core 215; after the outer sleeve 216 is moved, the ring table 218 on the inner wall of the outer sleeve 216 leaves the range of the clamping bead 127, so that the clamping bead 127 can freely move in the circular hole of the clamping inner core 215, and the clamping bead 127 can be clamped or separated relative to the ring groove 122; after the outer sleeve 216 is loosened, the outer sleeve 216 is reset under the action of the spring, and meanwhile, the ring table 218 is arranged at the back of the clamping bead 127 in a propping manner, so that the clamping bead 127 of a whole circle is clamped into the ring groove 122, and the assembly and fixation of the endoscope sheath 21 and the endoscope body 1 are realized. Further, in order to realize circumferential positioning of the endoscope sheath 21, which is equivalent to the endoscope body 1, the clamping table 121 is located above the ring groove 122 and provided with a positioning boss 123, the endoscope sheath handle 214 is provided with a positioning groove for the positioning boss 123 to slide into, and circumferential limiting is performed through matching of the positioning boss 123 and the positioning groove.

The outer endoscope sheath 22 comprises an outer sheath tube 221 and an outer endoscope sheath handle 224, the outer endoscope sheath handle 224 is provided with an inner hole which is an outer endoscope sheath end inlet 223, one end of the outer sheath tube 221 is communicated with the inner hole and is fixedly connected with the outer endoscope sheath handle 224, the other end of the outer endoscope sheath end outlet 222 and the outer endoscope sheath handle 224 comprise a handheld sleeve 225 and a rotating inner core 226 which is rotatably connected in the handheld sleeve 225, the inner hole is a central hole of the handheld sleeve 225, the rotating inner core 226 radially extends towards the center hole circle center and is provided with a radial clamping table 227, the endoscope sheath handle 214 extends towards the outer endoscope sheath handle 224 and is provided with a clamping sleeve 219, the outer wall of the clamping sleeve 219 is provided with a clamping groove, the clamping sleeve 219 is inserted into the central hole, the rotating inner core 226 rotates to clamp the radial clamping table 227 into the clamping groove, and the assembly and fixation of the outer endoscope sheath 22 and the endoscope sheath 21 are completed. A lever 228 is also provided on the rotating core 226 to assist in moving the rotating core 226. The cutting sleeve 219 is provided with an identification groove, the rotating inner core 226 is provided with an identification boss 229, and the cutting sleeve 219 crosses the identification boss 229 through the identification groove and is inserted into the central hole, so that the inner sheath 21 can be inserted into the outer sheath 22 in a unique mode and circumferential limitation is realized.

Claims

1. The utility model provides a medical endoscope, includes endoscope body (1) and mirror sheath (2), is equipped with on endoscope body (1) and passes like subassembly (3) and lighting assembly (4), endoscope body (1) is including operation stalk portion (11) and mirror tube (12), and mirror tube (12) penetrate mirror sheath (2) internal passage and wear out its characterized in that from the tip of mirror sheath (2): the endoscope sheath (2) comprises an inner endoscope sheath (21) and an outer endoscope sheath (22), the inner endoscope sheath (21) penetrates into the outer endoscope sheath (22), the outer wall of the inner endoscope sheath (21) is attached to the edge of the opening of the end outlet (222) of the outer endoscope sheath, and the outer wall of the endoscope tube (12) is attached to the edge of the opening of the end outlet (212) of the inner endoscope sheath; the caliber of the end outlet (222) of the outer mirror sheath is larger than the outer diameter of the mirror tube (12), so that a suction channel is formed between the outer mirror sheath (22) and the mirror tube (12).

2. The medical endoscope of claim 1, wherein: the inlet at the end part of the inner and the outer sheath is provided with a mounting component to realize the combination of the inner and the outer sheath or the fixation of the inner sheath and the endoscope tube (12).

3. The medical endoscope of claim 2, wherein: interior sheath (21) are including interior sheath pipe (211) and endoscope sheath handle (214), and endoscope sheath handle (214) have the hole and enter the mouth (213) for endoscope sheath tip, the one end and the hole intercommunication of interior sheath pipe (211) and with endoscope sheath handle (214) fixed connection, the other end forms endoscope sheath tip export (212).

4. The medical endoscope of claim 3, wherein: endoscope sheath handle (214) is including clamping inner core (215) and slip suit overcoat (216) of clamping inner core (215), the inner hole does the centre bore that clamps inner core (215), and the pore wall is fitted with a contraceptive ring round hole and is installed card pearl (217) in the round hole, and radial activity in the hole relatively including the round hole can be followed to card pearl (217), overcoat (216) and clamp have been installed the spring between inner core (215) and have made overcoat (216) clamp inner core (215) relatively and realize the elasticity activity of resetting, overcoat (216) correspond card pearl (217) protruding be equipped with ring platform (218), mirror tube (12) are equipped with card platform (121) of fixing with inner core (215) cooperation card by the tip of operation stalk portion (11), be equipped with on card platform (121) and supply card pearl (217) ring groove (122) of card income.

5. The medical endoscope of claim 4, wherein: the clamping table (121) is located on the ring groove (122) and is provided with a positioning boss (123), and the endoscope sheath handle (214) is provided with a positioning groove for the positioning boss (123) to slide into.

6. The medical endoscope of claim 3, wherein: the endoscope sheath (22) comprises an endoscope sheath pipe (221) and an endoscope sheath handle (224), the endoscope sheath handle (224) is provided with an inner hole which is an endoscope sheath end inlet (223), one end of the endoscope sheath pipe (221) is communicated with the inner hole and is fixedly connected with the endoscope sheath handle (224), and the other end of the endoscope sheath is formed into an endoscope sheath end outlet (222).

7. The medical endoscope of claim 6, wherein: outer mirror sheath handle (224) are including handheld sleeve (225) and rotate the rotation inner core (226) of connecting in handheld sleeve (225), the hole is the centre bore of handheld sleeve (225), rotates inner core (226) and has radial ka tai (227) towards the radial extension of centre bore centre of a circle, inner mirror sheath handle (214) court outer mirror sheath handle (224) extend there is cutting ferrule (219), is equipped with the draw-in groove on cutting ferrule (219) outer wall, and cutting ferrule (219) inserts in the centre bore, rotates inner core (226) and rotates and make radial ka tai (227) card go into the draw-in groove.

8. The medical endoscope of claim 7, wherein: the rotating inner core (226) is also provided with a shifting handle (228).

9. The medical endoscope of claim 7, wherein: the cutting sleeve (219) is provided with a mark groove, the rotating inner core (226) is provided with a mark boss (229), and the cutting sleeve (219) crosses the mark boss (229) through the mark groove and is inserted into the central hole.